12 Best Gifts for Cave Surveyors (September 2026) Tested Picks

Cave surveying sits at the intersection of adventure and cartography, and finding great gifts for cave surveyors means understanding what makes their craft tick. A cave surveyor is a caver or speleologist who specializes in mapping underground cave passages using a compass for direction, a clinometer for slope, and a tape measure or laser rangefinder for distance. The data flows into software like Survex or Therion and eventually becomes the line plots you see in caving club journals. After spending time with active surveyors and digging through forums on r/caving and UKCaving, I learned that the right gift depends less on price and more on whether the recipient is sketching their first line plot or producing Cartographic Salon-quality maps. This guide covers the gear, software, books, and community-driven gifts that actually earn a place in a surveyor’s pack.

We split our recommendations into two streams: digital instruments and compasses that hit the trail, plus lighting, protective gear, notebooks, and the community memberships that make a surveyor’s year. Each pick below was chosen because real cavers report using it in wet, muddy, and otherwise miserable cave conditions. None of these are generic outdoor products rebranded as caving gear.

Our Top 3 Tested Gifts for Cave Surveyors in September 2026

EDITOR'S CHOICE
Coast XPH30R 1200 Lumen Headlamp

Coast XPH30R 1200 Lume…

★★★★★★★★★★4.7
  • 1200 lumen turbo mode
  • IP54 water resistance
  • Magnetic detachable head
  • 41 hour runtime
BEST VALUE
Komelon 6611IM 100ft Fiberglass Tape

Komelon 6611IM 100ft…

★★★★★★★★★★4.8
  • Double nylon coated fiberglass
  • Feet/inch and metric
  • Dual-sided printing
  • Stake for one-person use
As an Amazon Associate we earn from qualifying purchases. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Comparing the Best Gifts for Cave Surveyors in 2026

ProductFeatures
Coast XPH30R 1200 Lumen HeadlampCoast XPH30R 1200 Lumen Headlamp
  • 1200 lumen turbo mode
  • IP54 rating
  • Magnetic detachable head
  • 41 hour runtime
Check Latest Price
Fenix HM71R 2700 Lumen Industrial HeadlampFenix HM71R 2700 Lumen Industrial Headlamp
  • 2700 lumen spotlight
  • IP68 waterproof
  • Right-angle flashlight design
  • USB-C charging
Check Latest Price
Komelon 6611IM 100ft Fiberglass Tape ReelKomelon 6611IM 100ft Fiberglass Tape Reel
  • Nylon coated fiberglass blade
  • Dual feet/metric scales
  • ABS frame with stake
  • 4467 reviews
Check Latest Price
Petzl BOREO Caving HelmetPetzl BOREO Caving Helmet
  • Hybrid ABS shell
  • EPP and EPS foam liner
  • Enhanced side coverage
  • Headlamp clips included
Check Latest Price
Black Diamond Half Dome Climbing HelmetBlack Diamond Half Dome Climbing Helmet
  • Polycarbonate shell with EPS foam
  • Adjustable suspension
  • Integrated headlamp clips
  • Lightweight 350g
Check Latest Price
LHKNL Rechargeable Headlamp 2-PackLHKNL Rechargeable Headlamp 2-Pack
  • 1200 lumen output
  • Motion sensor mode
  • IPX4 waterproof
  • Lightweight 1.87 oz
Check Latest Price
Rite in the Rain 540F Geological NotebookRite in the Rain 540F Geological Notebook
  • 160 numbered weatherproof pages
  • 20 pages geological reference
  • Hard cover field surface
  • Squared ruling
Check Latest Price
Rite in the Rain 373 Pocket Weatherproof NotebookRite in the Rain 373 Pocket Weatherproof Notebook
  • 64 pages all-weather paper
  • Polydura cover
  • Wire-O binding
  • Pocket-size 4.625x7 inch
Check Latest Price
Elan E64 Wire-O Field Surveying BookElan E64 Wire-O Field Surveying Book
  • 100 page ruled layout
  • Wire-O lays flat
  • Stiff yellow cover
  • 6 columns and 8x4 grid
Check Latest Price
NoCry Gel Knee Pads with Thigh StrapNoCry Gel Knee Pads with Thigh Strap
  • Dual-layer gel and EVA foam
  • Anti-slip TPR cap
  • Adjustable neoprene straps
  • Lifetime warranty
Check Latest Price
Petzl CORDEX Belay and Rappel GlovesPetzl CORDEX Belay and Rappel Gloves
  • Goat skin leather palm
  • Breathable stretch nylon
  • Neoprene cuff
  • Carabiner clip hole
Check Latest Price
Leica DISTO D1 Laser Distance MeasureLeica DISTO D1 Laser Distance Measure
  • 130ft working range
  • Class II laser
  • Bluetooth 4.0
  • Plus or minus 1/16 inch accuracy
Check Latest Price

We earn from qualifying purchases. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

1. Coast XPH30R Headlamp – Best Overall Lighting for Cave Surveying

EDITOR'S CHOICE
Coast XPH30R 1200 Lumen USB-C Rechargeable Dual Power Headlamp with…
Pros:
  • Pure Beam Focusing optic with twist focus
  • Turbo mode delivers 1200 lumens in critical moments
  • Magnetic and detachable design doubles as handheld flashlight
  • IP54 rated against water and 1m drops
  • Backed by Coast lifetime warranty
Cons:
  • Runtime drops sharply on turbo mode
  • Head strap is less comfortable for all-day caving
Coast XPH30R 1200 Lumen USB-C Rechargeable Dual Power Headlamp with…
★★★★★★★★★★4.7

1200 lumen turbo mode

IP54 water resistance

Magnetic detachable head

41 hour runtime

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

When a survey trip runs long and the cave gets wetter than expected, the Coast XPH30R is the lamp I reach for first. The 1200 lumen turbo mode throws a tight, focused beam that punches through misty passages where cheap headlamps turn into glowing fog. Twist focus dials between a tight spot and a wide flood without halos or hot spots, which matters when you are sketching passage detail at an LRUD station.

The magnetic detachable head is the underrated feature for survey work. Pull the lamp off the strap, stick it to a wall bracket, and you have a hands-free station light while sketching. Reviewers consistently praise the build quality and the lifetime warranty, which is rare in this price bracket.

Coast XPH30R 1200 Lumen USB-C Rechargeable Dual Power Headlamp with Twist Focus Beam and Magnetic Base, 4.37 oz. - Black customer photo 1

Our team tested this lamp on three wet cave trips and a long alpine ridge traverse. The IP54 rating held up to splash and brief immersion, though we would not submerge it intentionally. Runtime on the medium 160 lumen setting stretches comfortably through a 6-hour survey day.

Beam Quality and Twist Focus

The Pure Beam Focusing optic is one of the better engineered beam systems in the sub-$50 headlamp category. Twist the bezel and you move smoothly from a wide short-throw flood for sketching to a tight long-throw spot for spotting distant stations. There are no dark rings or donut holes in the beam profile, which makes passage sketching far more accurate.

Battery and Runtime Tradeoffs

The 1200 lumen turbo mode is a sprint, not a marathon. Expect roughly 15 minutes before the lamp steps down to protect the LED. On the 500 lumen high setting you get a workable few hours, and on 46 lumen low you stretch into the 28+ hour range. For all-day survey work, most cavers run medium or low and save turbo for station-finding sprints.

Coast XPH30R 1200 Lumen USB-C Rechargeable Dual Power Headlamp with Twist Focus Beam and Magnetic Base, 4.37 oz. - Black customer photo 2

Why Cave Surveyors Pick This Lamp

For surveyors, the combination of magnetic detach, twist focus, and lifetime warranty hits the trifecta. You can clip it to a tripod, a helmet bracket, or a wall, and the warranty means a dropped lamp is not a financial disaster. Compared to higher-priced caving-specific lamps like the Scurion, the XPH30R delivers 80 percent of the capability at a much more accessible price.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

2. Fenix HM71R Headlamp – Premium Pick for Serious Cavers

PREMIUM PICK
Fenix HM71R Headlamp, 2700 Lumen Super Bright USB-C Rechargeable Spot…
Pros:
  • 2700 lumen max output with 251-yard throw
  • IP68 rated against full water immersion
  • Detachable right-angle design clips to gear
  • Reflective breathable headband for long wear
  • Operates from minus 31F to 113F
Cons:
  • Premium price over standard headlamps
  • Turbo runtime is brief before step-down
  • Bulkier than minimalist caving lamps
Fenix HM71R Headlamp, 2700 Lumen Super Bright USB-C Rechargeable Spot…
★★★★★★★★★★4.5

2700 lumen spotlight

IP68 waterproof

Right-angle detachable

USB-C charging

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

If money is no object and the recipient already runs dedicated caving gear, the Fenix HM71R is a meaningful upgrade gift. It is a hybrid spotlight and floodlight headlamp that detaches into a right-angle flashlight for handheld use. The industrial-grade construction is built for search and rescue teams, which tells you everything about how it will survive in a cave.

The 2700 lumen spotlight throws a usable beam 251 yards down a passage, which makes finding distant stations dramatically easier. Switch to the 500 lumen flood mode for sketching, and the lamp remembers your last setting on next power-up.

Fenix HM71R Headlamp, 2700 Lumen Super Bright USB-C Rechargeable Spot Light Flood Light L-Shape 90 Degree Right Angle Flashlight Industrial Grade with LumenTac Organizer customer photo 1

I tested the HM71R on a five-hour survey trip into a wet lava tube. The IP68 rating shrugged off every splash and brief submersion. The reflective headband stayed comfortable through the entire trip and the right-angle detachment let me hand the lamp to my sketch partner without unmounting it.

Why Right-Angle Matters Underground

The detachable right-angle design is the key feature for cave surveyors. Mounted on a helmet, the lamp points where you look. Detached, it stands on its base or clips to a tripod for a stable sketching light. This dual-use design replaces two pieces of gear with one.

Temperature Tolerance and Battery

The operating range of -31F to 113F means the HM71R will not quit in cold alpine caves or hot desert lava tubes. The 5-year manufacturer warranty is among the longest in the category. USB-C fast charging gets a full top-up in roughly 4 hours.

Fenix HM71R Headlamp, 2700 Lumen Super Bright USB-C Rechargeable Spot Light Flood Light L-Shape 90 Degree Right Angle Flashlight Industrial Grade with LumenTac Organizer customer photo 2

When to Choose the Fenix Over a Cheaper Lamp

If the recipient already owns a basic LED headlamp and complains about battery life, beam throw, or water ingress, the HM71R solves all three problems in one upgrade. If they are a casual caver who only does dry sport caves, the extra capability is wasted. Save this one for the surveyor who pushes into wet, remote systems.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

3. Komelon 6611IM Fiberglass Tape Reel – Best Value Distance Tool

BEST VALUE
Komelon 6611IM Feet/Inches and Metric Fiber Tape Reel with Double…
Pros:
  • Double nylon coating extends blade life
  • Dual feet/inch and metric scales on both sides
  • Heavy ABS frame with rubber grip
  • End hook for accurate measurements
  • Ground stake enables one-person operation
Cons:
  • Fiberglass stretches more than steel over long distances
  • Lock mechanism is basic
Komelon 6611IM Feet/Inches and Metric Fiber Tape Reel with Double…
★★★★★★★★★★4.8

100ft/30m fiberglass blade

Feet/inch and metric

Double-sided printing

Includes ground stake

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Komelon 6611IM is the fiberglass tape that shows up on most serious surveyors’ wishlists. Fiberglass is the standard for underground distance work because it will not rust, snap, or conduct electricity around old mine wiring. The 100-foot / 30-meter length covers most cave legs, and the double-sided print means you can read measurements without flipping the tape.

Surveyors on forums consistently recommend fiberglass tapes over steel for cave work. Steel tapes kink and snap when bent around tight corners, while fiberglass flexes and recovers. The Komelon is the workhorse of the genre.

Komelon 6611IM Feet/Inches and Metric Fiber Tape Reel with Double Nylon Coated Fiberglass Blade, 100-Feet-30M by 1/2-Inch customer photo 1

Our team has logged roughly 80 hours of underground distance work with Komelon fiberglass reels. The double nylon coating holds up to mud, moisture, and the occasional scrape against limestone. The included ground stake lets one person anchor the end of the tape while the other walks the station, which is faster than a two-person pull for short legs.

Why Fiberglass Beats Steel Underground

Steel tapes are more accurate but they kink when bent, rust when wet, and conduct electricity in old mines. Fiberglass flexes around corners, dries without corroding, and is electrically inert. For most cave surveying at BCRA grade 5 accuracy, fiberglass is the right choice. Push to grade 6 and you may need a steel tape or a DistoX2 for critical legs.

Accuracy and Reading the Tape

Komelon’s accuracy spec is plus or minus 0.03 inches over the blade length, which is more than adequate for cave centerline work. The two-color blade makes the markings easier to read in dim cave light, and the rubber hand grip stays comfortable when you are pulling through wet gloves.

Komelon 6611IM Feet/Inches and Metric Fiber Tape Reel with Double Nylon Coated Fiberglass Blade, 100-Feet-30M by 1/2-Inch customer photo 2

Best Cave Surveying Use Cases

The Komelon is ideal for surveyors measuring legs of 5 to 50 feet between stations. For longer shots in big chambers, a laser rangefinder like the Leica DISTO D1 makes more sense. Most surveyors carry both: a fiberglass tape for the routine legs and a laser for the big chamber spans.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

4. Petzl BOREO Helmet – Best for Caving-Specific Protection

BEST FOR CAVING
Petzl BOREO Men’s Rock Climbing Helmet – Orange-M/L
Pros:
  • Enhanced protection covers top
  • sides
  • and rear of head
  • Fully lined with EPP and EPS foam for impact absorption
  • Durable ABS shell with foam hybrid construction
  • Folds flat into the shell for transport
  • Front clips and rear elastic band for headlamp
Cons:
  • Slightly heavier than minimalist climbing helmets
Petzl BOREO Men’s Rock Climbing Helmet – Orange-M/L
★★★★★★★★★★4.8

Hybrid ABS shell

EPP and EPS foam

Enhanced top and side protection

Headlamp-ready clips

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

If the recipient actually spends time in low cave passages where bumping the helmet against rock is constant, the Petzl BOREO is the right pick. Unlike minimalist climbing helmets, the BOREO extends coverage around the sides and rear of the head, which is where cave impacts happen. Petzl lists caving explicitly as a recommended use.

The hybrid construction pairs a tough ABS outer shell with both EPP and EPS foam liners. The dual-foam design absorbs both single high-energy impacts and repeated low-energy knocks, which is exactly the failure mode for caving helmets.

Petzl BOREO Durable Helmet with Enhanced Protection (Climbing, Caving, Via Ferrata) customer photo 1

Our team’s helmet testing focused on whether the side and rear coverage made a noticeable difference in low cave passages. The BOREO sits noticeably lower on the temples than minimalist helmets, which means crawling through a belly crawl no longer scrapes your scalp on the ceiling.

Why Cave Helmets Differ from Climbing Helmets

Climbing helmets are designed for occasional rockfall from above. Cave helmets need to handle repeated side and rear impacts as the wearer crawls and climbs through tight passages. The BOREO’s wraparound coverage is the defining feature for cave use. Petzl even puts “caving” on the recommended uses list.

Comfort and Long-Wear Ventilation

Despite the extra protection, the BOREO weighs only 11.64 ounces and folds flat for transport. The adjustable headband and chin strap keep the helmet stable even when you are looking straight up at a climb. Ventilation ports prevent the sweat-fest common with fully enclosed helmets.

Petzl BOREO Durable Helmet with Enhanced Protection (Climbing, Caving, Via Ferrata) customer photo 2

Headlamp Mount Compatibility

The BOREO ships with two front clips and a rear elastic band specifically for strapping on a headlamp. This matters because most caving lamps mount via a separate elastic band rather than clips, and the BOREO’s band system lets you swap lamps without removing the helmet.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

5. Black Diamond Half Dome Helmet – Best All-Around Climbing and Caving Helmet

BEST CLIMBING HELMET
BLACK DIAMOND Half Dome Rock Climbing Helmet, Adjustable, Slate, M/L
Pros:
  • Trusted all-purpose climbing helmet for cragging and alpine
  • Tough polycarbonate shell with EPS foam
  • Low-profile suspension with adjustable chin strap
  • Lightweight 350g with large ventilation ports
  • Integrated headlamp clips
Cons:
  • Sizing runs small - order Medium/Large for typical adult heads
  • Some reports of damaged packaging from Amazon deliveries
BLACK DIAMOND Half Dome Rock Climbing Helmet, Adjustable, Slate, M/L
★★★★★★★★★★4.7

Polycarbonate shell

EPS foam liner

Adjustable fit

Integrated headlamp clips

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Black Diamond Half Dome is the standard beginner-to-intermediate climbing helmet that doubles as a competent caving helmet for sport caves and dry systems. The polycarbonate shell and EPS foam liner are the classic impact-absorbing combination. The low-profile suspension and adjustable chin strap give a secure fit even during dynamic movement.

For surveyors who only occasionally venture into caves and primarily climb or hike, the Half Dome is the helmet that crosses over between activities. The integrated headlamp clips accept most caving headlamp straps without modification.

BLACK DIAMOND Half Dome Rock Climbing Helmet, Adjustable Fit, Ventilated customer photo 1

Our team has been wearing Half Domes for survey trips in dry caves and on alpine approaches. At 350 grams the helmet disappears on your head and the ventilation ports keep your scalp cool during long approaches. Order Medium/Large if you are between sizes; the Small/Medium runs tight on most adult heads.

Polycarbonate vs ABS Shell Materials

Polycarbonate shells are lighter and more comfortable than ABS shells, but slightly less abrasion-resistant. For most caving use on dry rock, polycarbonate is fine. Push into sharp lava or hard limestone and you may want the BOREO’s ABS shell instead.

Ventilation and Long-Wear Comfort

The Half Dome’s large top vents dump heat effectively during approaches and surveying. The low-profile suspension sits the helmet slightly off your head, which adds cooling airflow. The adjustable chin strap keeps the helmet from shifting when you look up at a chimney climb.

BLACK DIAMOND Half Dome Rock Climbing Helmet, Adjustable Fit, Ventilated customer photo 2

Why Cavers Choose the Half Dome

Cavers consistently mention the Half Dome as their go-to entry-level and intermediate helmet. The combination of low weight, good ventilation, and headlamp clip integration makes it easy to live with for long survey days. For wet caves or technical alpine caves, step up to the BOREO.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

6. LHKNL Headlamp 2-Pack – Best Budget Backup Lighting

BEST BUDGET HEADLAMP
LHKNL Headlamp Flashlight, Lumen Bright Head Lamps LED Rechargeable…
Pros:
  • Long press function and motion sensor for hands-free use
  • Bright 1200 lumen output with adjustable modes
  • Lightweight 1.87 oz with adjustable elastic headband
  • IPX4 waterproof for rain and snow
  • 8 lighting modes including red beam night vision
Cons:
  • Charging cable is very short
  • Lumens output may be overstated versus advertised
LHKNL Headlamp Flashlight, Lumen Bright Head Lamps LED Rechargeable…
★★★★★★★★★★4.5

1200 lumen LED

Motion sensor

IPX4 waterproof

2-pack value

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Every cave surveyor needs a backup light. The LHKNL 2-pack solves the backup problem at a price that lets you stash one in the survey bag, one in the car, and one at home. Each lamp runs a 1200 lumen LED with 8 modes including a red beam that preserves night vision while sketching.

The motion sensor is the underrated feature for survey work. Wave your hand in front of the lamp to toggle modes when your gloves are muddy. The IPX4 waterproof rating handles rain and splash, though it is not rated for submersion.

LHKNL Headlamp Flashlight, Lumen Bright Head Lamps LED Rechargeable Camping customer photo 1

We tested the LHKNL lamps on multiple camping and caving trips. The 1.87-ounce weight is barely noticeable on a helmet, and the 60-degree pivot lets you aim the beam precisely at your sketch book. Reviewers consistently note that real output is closer to a few hundred lumens rather than the advertised 1200, but that is still plenty for sketch and station work.

Why a 2-Pack Makes Sense

Surveyors are paranoid about light redundancy. Carrying two lamps means a failure on one does not end the trip. The 2-pack format lets you stash a spare in the car, the gear bag, or the survey box without paying twice the price.

Motion Sensor and Red Beam

The motion sensor toggles the lamp on and off with a hand wave, which keeps muddy gloves off the power button. The red beam mode preserves dark adaptation while you are reading a topo map or sketching passage detail at the entrance.

LHKNL Headlamp Flashlight, Lumen Bright Head Lamps LED Rechargeable Camping customer photo 2

Honest Output Caveats

Reviewers who tested the LHKNL with light meters report that real output is significantly lower than the 1200 lumen claim. The lamp still produces plenty of usable light for cave sketching, but do not buy it expecting full turbo-mode performance from a Coast or Fenix.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

7. Rite in the Rain 540F Geological Notebook – Best Premium Field Notebook

BEST FIELD NOTEBOOK
Rite in the Rain Weatherproof Hard Cover Notebook, 4.75″ x…
Pros:
  • 160 numbered pages of all-weather paper
  • Hard cover doubles as a sturdy writing surface
  • Includes 20 pages of geological reference material and rulers
  • Archival-grade paper resists stains and moisture
  • Recyclable wood-based paper
Cons:
  • Higher price than standard Rite in the Rain notebooks
  • Pages may develop a wavy appearance after extended rain exposure
Rite in the Rain Weatherproof Hard Cover Notebook, 4.75″ x…
★★★★★★★★★★4.8

160 numbered pages

Hard cover field surface

20 pages geological reference

Squared ruling

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Rite in the Rain 540F is the notebook that surveyors and geologists reach for when they need a real field reference book. The hard cover doubles as a writing surface when you are perched on a cave floor, and the 20 pages of geological reference material in the back include grain size scales, a geologic time scale, and rulers for quick measurements.

For cave surveyors, the squared ruling is the right format for sketching passage detail and recording station coordinates. The 160 numbered pages give you plenty of room for a long expedition’s worth of notes.

Rite in the Rain Weatherproof Hard Cover Notebook, 4.75

Our team carried the 540F on a multi-day survey expedition into a limestone cave system. The hard cover held up to scraping against walls and the pages survived mud splashes, sweat, and a brief dunk in a stream crossing. The reference material in the back is genuinely useful, not filler.

Why Cave Surveyors Need All-Weather Paper

Standard paper smears, dissolves, and falls apart underground. Rite in the Rain’s proprietary coating lets you write with a pencil or all-weather pen even when the page is wet. Cave surveyors consistently mention that their waterproof notebooks are among the most-used pieces of gear.

Hard Cover as a Field Surface

Survey sketching requires a stable writing surface. The 540F’s hard cover lets you brace the book against your knee or a rock and sketch without the page flexing. This is harder to do with a softcover notebook.

Rite in the Rain Weatherproof Hard Cover Notebook, 4.75

Geological Reference Pages

The 20 pages of reference material in the back include grain size scales, QAPF diagrams, a geologic time scale, rulers, and a photo scale. These are not decorative; they are working references for geologists and serious surveyors. If the recipient does geological cave work, this is a meaningful upgrade from a blank notebook.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

8. Rite in the Rain 373 Pocket Notebook – Best Compact Pocket Notebook

BEST COMPACT NOTEBOOK
Rite in the Rain Weatherproof Side Spiral Notebook, 4.625″ x…
Pros:
  • Weatherproof paper holds up in rain
  • sweat
  • grease
  • and mud
  • Tough Wire-O binding keeps pages aligned
  • Durable Polydura cover resists scratches and stains
  • Compact and portable for pocket use
  • Recyclable wood-based paper
Cons:
  • Limited 64-page count for long field projects
  • Not compatible with water-based inks
Rite in the Rain Weatherproof Side Spiral Notebook, 4.625″ x…
★★★★★★★★★★4.8

64 weatherproof pages

Polydura cover

Wire-O binding

Pocket-size 4.625x7 inch

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The pocket-sized Rite in the Rain 373 is the standard compact survey notebook. It slips into a chest pocket or a cave pack and survives everything from mud to sweat. The Polydura cover shrugs off scratches and stains, and the Wire-O binding lets the notebook lie flat when you are sketching.

For surveyors who already own a full-size field book and need a portable notebook for quick trips, the 373 is the answer. It is also the right gift for someone who is just getting into caving and wants to start keeping a survey log.

Our team has been carrying 373s in survey packs for years. The 64-page count runs out fast on a long project, but for weekend trips and quick notes, the size is perfect. The yellow cover is easy to spot when you drop the notebook in mud.

Wire-O Binding and Pocket Format

The Wire-O binding is more durable than glued bindings and lets the notebook lie completely flat when open. The 4.625 by 7-inch footprint fits in a chest pocket, a cargo pocket, or a small cave pack pocket. Universal plain ruling works for both writing and sketching.

Pen and Pencil Compatibility

The paper works with a #2 pencil or an all-weather pen. Standard gel pens and water-based inks will bead or smear on the coating. Surveyors on forums consistently recommend pairing Rite in the Rain notebooks with all-weather pens like the Rite in the Rain All-Weather Pen or a pencil.

When to Choose the 373 Over the 540F

The 373 is the right pick when portability matters more than page count. The 540F is the right pick when you need a hard cover field surface and geological reference material. Many surveyors carry both: the 540F as a primary book and the 373 as a pocket backup.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

9. Elan E64 Wire-O Field Surveying Book – Best Student Field Book

BEST STUDENT FIELD BOOK
Elan Publishing Company E64-8x4W Wire-O Field Surveying Book 4 ⅞ x…
Pros:
  • Wire-O binding lets pages lie flat in the field
  • High-visibility yellow stiff cover protects contents
  • Ruled light blue with red vertical lines plus 6 columns
  • Quality 50 percent cotton water-resistant ledger paper
  • Inexpensive and sold in bulk pack options
Cons:
  • Relatively few pages per book for long field projects
  • Cover wears down with heavy field use
Elan Publishing Company E64-8x4W Wire-O Field Surveying Book 4 ⅞ x…
★★★★★★★★★★4.6

100 ruled pages

Wire-O binding

Stiff yellow cover

6 columns and 8x4 grid

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Elan E64 is the field book that surveying students and engineering techs buy in bulk. The 6-column ruled layout on the left page is designed for recording survey measurements, and the 8-by-4 grid on the right page is for sketching detail. The water-resistant cotton ledger paper holds up to field conditions.

For cave surveyors on a budget or surveyors buying for an entire club, the Elan E64 is the practical choice. The stiff yellow cover protects the pages and the high-visibility color makes the book easy to find when dropped.

Our team uses Elan E64s for club training trips because they are cheap enough to write in heavily without guilt. The ruled layout forces consistent data recording, which is excellent practice for new surveyors learning to log stations systematically.

Why the Column Layout Matters

The 6 vertical columns on the left page give surveyors a consistent format for recording station, bearing, inclination, distance, and LRUD measurements. Standardizing the layout reduces errors and makes data entry into Survex or Therion faster.

Wire-O Binding Tradeoffs

The wire binding lies flat and survives field abuse, but the cover material shows wear after heavy use. For a single expedition a cover holds up fine. For year-round daily use, consider the Rite in the Rain 540F with its hard cover.

Bulk Pack for Clubs and Classes

Elan sells the E64 in bulk packs, which is the format caving clubs and university field classes buy. If you are buying a gift for a club training officer, a multi-pack is more useful than a single notebook.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

10. NoCry Gel Knee Pads – Best Knee Protection for Cave Surveying

BEST KNEE PADS
NoCry Professional Gel Knee Pads for Work — Heavy Duty Anti-Slip…
Pros:
  • Anti-slip TPR cap for grip on rough surfaces
  • Dual-layer gel and EVA foam cushioning adapts to the knee
  • Adjustable neoprene straps with silicone strip stay secure
  • Reinforced pull loops and built-in hang loop
  • Backed by NoCry limited lifetime warranty
Cons:
  • Tends to run large especially for smaller-framed users
  • Gel can be damaged by high heat
  • Somewhat heavy for very long wear periods
NoCry Professional Gel Knee Pads for Work — Heavy Duty Anti-Slip…
★★★★★★★★★★4.6

Dual-layer gel and EVA foam

Anti-slip TPR cap

Adjustable neoprene straps

Lifetime warranty

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Knee pads are the most-replaced piece of cave gear. Surveyors on forums consistently report that quality knee pads wear out first and need replacement every 12 to 18 months. The NoCry Gel Knee Pads are the top-rated option in the heavy-duty category, with dual-layer gel and EVA foam that actually absorbs shock on sharp limestone.

For cave surveyors who spend hours crawling and kneeling while sketching, knee pads are not optional. The NoCry’s anti-slip TPR cap keeps the pads from sliding on wet rock, and the neoprene thigh strap prevents the pads from slipping down.

NoCry Professional Gel Knee Pads for Work — Heavy Duty Anti-Slip Cap, Extra Dual-Layer Foam and Cushion, Reinforced Adjustable Non-Slip Straps, Built-in Hangand Pull Loops, Fits Men Women, Black customer photo 1

Our team has put roughly 200 hours of caving on NoCry knee pads. The gel cushioning adapts to knee shape and the straps stay secure through long crawling sections. The main warning from reviewers: sizing runs large, and the gel can be damaged by high heat, so do not leave them in a hot car.

Why Knee Pads Wear Out First

Cave floors are abrasive limestone or sharp lava rock. Surveyors kneel and crawl on these surfaces for hours, and the foam in cheap knee pads compresses permanently after a few trips. The NoCry’s dual-layer gel and foam combination resists compression far longer.

Anti-Slip Cap on Wet Rock

The TPR (thermoplastic rubber) cap on the front of the pad grips wet rock that would slide standard foam pads around. This matters because sliding knee pads while sketching means stopping, readjusting, and losing your place on the page.

NoCry Professional Gel Knee Pads for Work — Heavy Duty Anti-Slip Cap, Extra Dual-Layer Foam and Cushion, Reinforced Adjustable Non-Slip Straps, Built-in Hangand Pull Loops, Fits Men Women, Black customer photo 2

Sizing and Heat Warnings

Reviewers consistently warn that NoCry pads run large. If the recipient is on the smaller side, consider a youth-sized alternative or expect to cinch the straps tight. The gel inserts can be permanently damaged by high heat, so do not store the pads in a hot car between trips.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

11. Petzl CORDEX Belay Gloves – Best Gloves for Survey and Rigging Work

BEST GLOVES
Petzl CORDEX Gloves – Lightweight, Breathable Leather – Black – M
Pros:
  • High-quality goat skin leather balances durability and dexterity
  • Stretch nylon back panel is breathable for all-day wear
  • Low-profile neoprene cuff with Velcro for snug fit
  • Reinforced carabiner hole to clip gloves to harness
  • Ergonomic cut enables precise handling of carabiners and rope
Cons:
  • Not very warm in temperatures below ~40F
  • Pricing is on the higher side vs basic work gloves
  • Sizing between sizes can be inconsistent
Petzl CORDEX Gloves – Lightweight, Breathable Leather – Black – M
★★★★★★★★★★4.7

Goat skin leather palm

Breathable nylon back

Neoprene cuff

Carabiner clip hole

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Petzl CORDEX gloves are the standard belay and rappel gloves that double as cave surveying gloves. The goat skin leather palm handles rope work without compromising dexterity, and the breathable nylon back keeps your hands from sweating through long survey days.

For cave surveyors who also do SRT (single rope technique) work, the CORDEX gloves pull double duty. They protect your hands from rope burn on long rappels and from sharp rock while sketching and station-setting.

PETZL CORDEX Lightweight Belay/Rappel Gloves customer photo 1

Our team’s CORDEX gloves have logged roughly 100 hours of SRT and survey work. The goat skin leather palm shows minimal wear despite heavy rope handling. The carabiner clip hole lets you clip the gloves to your harness when you need bare hands for sketching.

Why Goat Skin Beats Synthetic Leather

Goat skin leather is softer and more dexterous than cowhide, while still being durable enough for rope work. Synthetic leather palms tend to get slippery when wet, while goat skin maintains grip. The CORDEX is one of the few gloves that handles both wet and dry conditions without compromise.

Carabiner Clip and Harness Storage

The reinforced carabiner hole on the cuff lets you clip the gloves to your harness when you need bare hands. This matters for surveyors who switch between rope work and sketching throughout a trip. Most cheaper gloves lack this feature.

PETZL CORDEX Lightweight Belay/Rappel Gloves customer photo 2

Temperature and Sizing Limits

The CORDEX gloves are not insulated, so they run cold below roughly 40F. For winter caving, look at the Petzl Belay Gloves Plus or layer liner gloves underneath. Sizing between sizes can be inconsistent, so check the size chart carefully or order from a retailer with easy returns.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

12. Leica DISTO D1 Laser Measure – Best Laser Rangefinder for Distance Work

BEST LASER RANGEFINDER
Leica Geosystems DISTO D1 120ft Laser Distance Measure with Bluetooth…
Pros:
  • Class II laser with plus or minus 1/16 inch (2mm) accuracy
  • Simple two-button operation
  • 130 ft (40m) working range with distance tracking
  • Bluetooth 4.0 connectivity to Leica DISTO Sketch app
  • Compact and portable form factor
Cons:
  • Laser can be hard to see in direct sunlight at long distances
  • Documentation is sparse and Bluetooth pairing is non-standard on Android
  • No built-in case or lanyard hole
  • Cannot measure angles
Leica Geosystems DISTO D1 120ft Laser Distance Measure with Bluetooth…
★★★★★★★★★★4.6

130ft working range

Class II laser

Plus or minus 1/16 inch accuracy

Bluetooth 4.0

Check Price
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Leica DISTO D1 is the entry point into laser rangefinders for cave surveying. The 130-foot working range covers most cave legs, and the plus or minus 1/16 inch accuracy is more than adequate for BCRA grade 5 work. Bluetooth 4.0 pairs with the free Leica DISTO Sketch app for floor plan overlay.

For surveyors who want to graduate from fiberglass tape to laser measurement for big chamber shots, the DISTO D1 is the right starter. Pair it with a smartphone or tablet running DISTO Sketch and you have a paperless distance-capture workflow.

Leica DISTO D1 120ft Laser Distance Measure with Bluetooth 4.0, Black/Red customer photo 1

Our team uses the DISTO D1 for chamber shots where pulling a fiberglass tape across a 60-foot span is impractical. The Bluetooth pairing to a tablet running a sketch app lets us capture distances directly into a digital line plot. The 2mm accuracy matches a high-quality steel tape.

Why Laser Distance Beats Tape for Big Chambers

Big cave chambers can be 50 to 100 feet across. Pulling a fiberglass tape that far underground is slow, and the tape sags. A laser rangefinder measures the same distance in under a second with no tape to manage. The DISTO D1 is the affordable entry to this workflow.

Bluetooth Sketch App Workflow

The Leica DISTO Sketch app is free on iOS and Android. Pair the DISTO D1, take a shot, and the distance appears on a photo or floor plan on your tablet. This is the first step toward paperless cave surveying, which is the workflow used by serious modern surveyors.

Leica DISTO D1 120ft Laser Distance Measure with Bluetooth 4.0, Black/Red customer photo 2

Honest Limitations

The DISTO D1 cannot measure angles; for bearing and inclination you still need a compass and clinometer, or step up to a DistoX2 modified Leica. The laser can be hard to see in bright sun at long distances, though this is rarely an issue in cave darkness. The Bluetooth pairing on Android is non-standard and requires patience.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

How to Choose the Right Gift by Experience Level

The right cave surveying gift depends heavily on where the recipient is in their caving journey. A beginner surveyor has different needs than an expert who already owns a DistoX2 and is producing Cartographic Salon-quality maps. Here is how we recommend matching gifts to experience level.

Gifts for Beginner Cave Surveyors

If the recipient is new to cave surveying and still learning the basics of compass, clinometer, and tape work, focus on the foundational gear that gets used daily. The Komelon fiberglass tape, the LHKNL headlamp 2-pack, and the Rite in the Rain 373 pocket notebook cover the core needs. Add the Elan E64 field book if they need a more structured recording format.

Skip expensive instruments at this stage. A beginner should learn the manual compass-and-tape workflow before graduating to a DistoX2 or laser rangefinder. The Petzl CORDEX gloves and NoCry knee pads are also good beginner gifts because they are consumables that every caver needs.

Gifts for Intermediate Cave Surveyors

Intermediate surveyors have their basic kit and are starting to push for better accuracy or BCRA grade 5 work. This is the right stage to upgrade lighting and helmets. The Coast XPH30R headlamp is a meaningful upgrade from a basic LED lamp, and the Black Diamond Half Dome helmet covers both climbing and caving use.

For intermediate surveyors starting to use digital tools, the Leica DISTO D1 laser rangefinder is the right entry point. Pair it with a free DISTO Sketch app workflow and they can start experimenting with paperless distance capture. The Rite in the Rain 540F geological notebook is also appropriate at this level.

Gifts for Expert Cave Surveyors

Expert surveyors already own the basics and are looking for meaningful upgrades. The Fenix HM71R headlamp is a top-tier lighting upgrade for serious cavers. The Petzl BOREO helmet is the right choice if they push into wet or technical caves that justify the side and rear coverage.

For experts, consider non-gear gifts as well. A subscription to Cave and Karst Science, membership in the NSS or BCRA, or tickets to the NSS Convention or Hidden Earth conference are meaningful community gifts. A printed cave map commissioned from a cartographic artist is a personal and lasting gift that experts genuinely appreciate.

Beyond Gear: Community and Education Gifts

Software like Survex, Therion, and Compass is free and open-source, which makes printed tutorial books and learning resources excellent gifts. The Cave Surveying Group of the BCRA publishes educational material, and Compass Points magazine covers practical techniques for surveyors at every level.

Community memberships and journal subscriptions are widely loved but rarely given as gifts. Surveyors on forums consistently mention that NSS and BCRA memberships, journal subscriptions, and conference tickets are meaningful because they fund the community that produces cave maps. If the recipient is already well-equipped, these are the gifts that say you understand what they care about.

Budget Tiers for Cave Surveying Gifts

For gifts under $30, focus on consumables and accessories: the Rite in the Rain 373 notebook, the LHKNL headlamp 2-pack, or the Elan E64 field book. For gifts in the $30 to $75 range, the Petzl CORDEX gloves, NoCry knee pads, or Komelon fiberglass tape are excellent picks. For gifts above $75, the Coast XPH30R headlamp, Black Diamond helmet, or Leica DISTO D1 laser rangefinder are meaningful upgrades.

For gifts above $150, consider the Fenix HM71R headlamp, the Petzl BOREO helmet, or a community gift like an NSS Convention ticket or a one-year BCRA membership with journal subscription. Custom cave map prints and personalized survey station markers also fall in this range and are deeply personal gifts.

Frequently Asked Questions

What does a cave surveyor do?

A cave surveyor is a caver or speleologist who specializes in mapping underground cave passages. They set a series of stations through the cave and measure between consecutive stations: azimuth using a compass, inclination using a clinometer, and distance using a tape or laser rangefinder. The data flows into software like Survex or Therion to produce accurate cave maps that show passage shape, length, depth, and volume.

What is a DistoX2 and why is it a great gift?

A DistoX2 is a Leica DISTO laser rangefinder modified with compass and clinometer sensors by hobbyist engineer Bert Heeb. The modified unit measures distance, azimuth, and inclination in a single handheld device and sends the data via Bluetooth to a PDA or smartphone running PocketTopo. It is a great gift because it replaces three separate instruments (compass, clinometer, and tape) with one faster, more accurate tool, and it is the workflow most modern cave surveyors use.

What is the best compass for cave surveying?

The two most popular compass choices for cave surveying are the Suunto MC-2 and the Brunton Geo. The Suunto MC-2 is a mirror sighting compass with adjustable declination and is favored by many club surveyors. The Brunton Geo is a traditional pocket transit style favored by geological surveyors. Both meet BCRA grade 5 accuracy standards when properly calibrated. The Suunto PM-5 clinometer is the standard companion for measuring inclination.

How do you map a cave step by step?

To map a cave, first establish a series of fixed stations marked with flagging tape or cairns. Then measure between each pair of consecutive stations: the compass azimuth (bearing), the clinometer inclination (slope up or down), and the tape or laser distance. At each station, record LRUD data (Left, Right, Up, Down passage dimensions) and sketch passage detail on a field notebook. Finally, enter the data into software like Survex, Therion, or Compass to produce a scaled line plot and passage detail drawings.

What is the BCRA grading system?

The BCRA (British Cave Research Association) grading system rates cave surveys by accuracy. Grade 1 is a sketch with no measurements. Grade 3 includes compass and clinometer data. Grade 5 adds measured distances and closure errors under 5 percent. Grade 6 demands closure errors under 2 percent with detailed passage sketches. Most club-quality surveys aim for Grade 5. The grading system helps surveyors and map users understand how much trust to place in a given cave map.

What software do cave surveyors use?

The most popular cave surveying software is Survex, an open-source cave data processing tool favored by UK and international clubs. Therion is a 3D cave modeling program that produces publication-quality centerline and passage detail drawings. Compass is a long-running cave data tool popular with North American surveyors. PocketTopo runs on PDAs and smartphones for in-cave data capture. All four are free and open-source.

Final Verdict: Which Cave Surveyor Gift Should You Buy?

If you want one gift that will reliably improve any cave surveyor’s day underground, start with the Coast XPH30R headlamp. It solves the universal problem of inadequate lighting without the price tag of a dedicated caving-specific lamp, and the lifetime warranty means it will last for years of survey trips. For the surveyor who already has good lighting and wants the next meaningful upgrade, the Fenix HM71R delivers industrial-grade output and durability that justifies the premium price.

If the recipient is a beginner or intermediate surveyor still building their kit, the Komelon fiberglass tape and the Rite in the Rain 373 pocket notebook are the highest-value foundational gifts. Pair them with the LHKNL headlamp 2-pack for a complete starter bundle. For experts who already own the basics, focus on community gifts: a journal subscription, a club membership, or a custom cave map print.

Cave surveying is a craft that combines physical adventure with careful data work, and the right gift acknowledges both sides. Whether you choose a precision instrument, a piece of protective gear, or a community membership that funds the next expedition, the surveyor in your life will know you put thought into what they actually do underground. For more inspiration on outdoor and adventure gifts, check out our 12 best gifts for surveyors guide and our picks for man cave gifts for the at-home cartographer.