HikeMetrics
Global Hiking Index
HikeMetrics
Global Hiking Index
HikeMetrics // Comparison Engine
Route A

Actun Tunichil Muknal (ATM) Cave

belize/tapir-mountain-nature-reserve
VS
Route B

Fraser Island (K'gari) Great Walk

australia/queensland-kgari

Actun Tunichil Muknal (ATM) Cave vs Fraser Island (K'gari) Great Walk: Intensity Score Comparison

Fraser Island (K'gari) Great Walk is unequivocally more demanding overall (+29 points). While Actun Tunichil Muknal (ATM) Cave is a serious endeavor, Fraser Island (K'gari) Great Walk pushes the limits further, particularly regarding sustained physical exertion.

Model-based (not a field report) · Evaluates overall route demand, not danger.

Intensity Difference
+29 Fraser Island (K'gari) Great Walk is harder
Higher Physical Load
Fraser Island (K'gari) Great Walk
Higher Technical Seriousness
Fraser Island (K'gari) Great Walk
Greater Commitment
Fraser Island (K'gari) Great Walk
Overall HikeMetrics Score
Fraser Island (K'gari) Great Walkwins 8 of 9 metrics
1
Route A
8
Route B
belize/tapir-mountain-nature-reserve

Actun Tunichil Muknal (ATM) Cave

MODERATE // CHLG
Full Route Report

A combination of jungle trekking and cave exploration within the Tapir Mountain Nature Reserve. The route involves three river crossings, a swim into the cave mouth, and a journey through a massive limestone system containing preserved Maya ceramics and remains. The site is famous for the 'Crystal Maiden', a calcified skeleton. Cameras are strictly prohibited to protect the fragile archaeological site, meaning visitors must rely on official documentation for visual records.

australia/queensland-kgari

Fraser Island (K'gari) Great Walk

MODERATE // CHLG
Full Route Report

The K'gari (Fraser Island) Great Walk is an 8-day through-hike covering approximately 90km point-to-point within the Great Sandy National Park, Queensland. The route traverses often described as one of the largest sand island, moving through diverse ecological zones including high rainforests established on deep-sand substrates, mangrove systems, and freshwater perched lakes. Surface conditions are consistently sand-based, transitioning between consolidated forest paths and uncompacted dune segments. The route provides a cross-section of the island's unique hydrology and mature Satinay (Syncarpia hillii) timber stands. Access is regulated by Queensland Parks and Wildlife Service (QPWS).

Head-to-Head Metric Analysis

Intensity ScoreHigher Overall Demand
34
WINNER63
Physical LoadMore Physically Taxing
13
WINNER70
Technical SeriousnessMore Technically Demanding
38
WINNER42
DistanceLonger route
4.6 km
WINNER90 km
Elevation GainMore vertical
50 m
WINNER1,400 m
Highest PointHigher summit
200 m
WINNER240 m
DurationShorter commitment
1 days WINNER
6 days
Hazard Level
MODERATE // CHLG
MODERATE // CHLG
Crowd LevelLess crowded
3 / 5
WINNER2 / 5
RemotenessMore remote
2 / 5
WINNER4 / 5

HikeMetrics Hazard Scale — Explanation

1
LOW // ACCESS
2
STANDARD // RT
3
MODERATE // CHLG
4
EXPERT // HAZARD
5
EXTREME // LETHAL

The HikeMetrics Hazard Scale is a proprietary 5-point classification system that evaluates hiking routes across five dimensions: physical demand, technical complexity, altitude exposure, weather risk, and rescue accessibility.

Unlike generic star ratings, the Hazard Scale is calibrated against altitude profiles, elevation gain per day, and logistical isolation factors — making it the most precise route classification system available.

Full Scale Documentation
Route A // Hazard Verdict
Actun Tunichil Muknal (ATM) Cave
MODERATE // CHLG
river crossing: Three chest-deep stream crossings precede the cave; after heavy rain the current strengthens significantly.
mechanical risks: Slippery wet limestone, low ceilings, and total darkness create head-injury and slip risks.
Route B // Hazard Verdict
Fraser Island (K'gari) Great Walk
MODERATE // CHLG
wildlife management (dingoes): K'gari is home to a genetically distinct population of wild dingoes. Habituation to human presence can lead to predatory or aggressive behaviors.
mechanical fatigue and thermal stress: Walking on sand increases muscular strain by 20-30% compared to hard surfaces. High humidity typical of coastal Queensland increases the risk of thermoregulatory failure.

Required Gear Comparison

Actun Tunichil Muknal (ATM) Cave
Quick-dry clothes and sports bra (no zips or buckles allowed inside the cave)Water shoes or sturdy sandals2 L of waterLicensed guide (mandatory — no solo entry)Socks (required to walk in the main chamber to protect the calcite floor)Helmet and headlamp (provided by guide)
Fraser Island (K'gari) Great Walk
Specialized sand-compatible footwear or lightweight bootsDry bags for dingo-proof locker storageTechnical sun protection (UPF 50+)Water filtration system (for rainwater tank processing)Insect protection for March fly and mosquito mitigationSand gaiters (required for footwear management)

Compare with Other Routes

argentina
Cerro Tronador (Refugio Otto Meiling)
MODERATE // CHLG
argentina
Laguna Torre (Cerro Torre)
MODERATE // CHLG
austria
Coburger Hütte — Seebensee & Drachensee
MODERATE // CHLG
austria
Kaisertal — The Stairway to Heaven
MODERATE // CHLG
austria
The High Descent — Kaiser-Franz-Josef-Höhe to Heiligenblut
MODERATE // CHLG
australia
Great Ocean Walk
MODERATE // CHLG