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

Terskey Alatau & Ala-Köl Lake

kyrgyzstan/issy-kul-karakol
VS
Route B

Slim’s River West Trail (Ä’äy Chù West)

canada/kluane-national-park-yukon

Terskey Alatau & Ala-Köl Lake vs Slim’s River West Trail (Ä’äy Chù West): Intensity Score Comparison

Both routes share a similar overall intensity (76 vs 76). Depending on personal strengths, the challenge relies more on Slim’s River West Trail (Ä’äy Chù West)'s technicality versus the physical output of the other.

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

Intensity Difference
+0 Equivalent
Higher Physical Load
Terskey Alatau & Ala-Köl Lake
Higher Technical Seriousness
Slim’s River West Trail (Ä’äy Chù West)
Greater Commitment
Slim’s River West Trail (Ä’äy Chù West)
Overall HikeMetrics Score
Terskey Alatau & Ala-Köl Lakewins 4 of 5 metrics
4
Route A
1
Route B
kyrgyzstan/issy-kul-karakol

Terskey Alatau & Ala-Köl Lake

EXPERT // HAZARD
Full Route Report

Ala-Köl is a world-renowned glacial lake set within the Terskey Alatau range of the Tien Shan, near Karakol. This 3-4 day traverse through the Karakol Valley is widely considered the quintessential Kyrgyzstan trekking experience. The route typically involves ascending the steep 3,860m Ala-Köl Pass, where hikers are met with some of the most dramatic high-alpine vistas in Central Asia. The lake's depth and mineral content produce an ever-shifting spectrum of opaque turquoise and deep blues. The trek concludes in the Altyn-Arashan valley, a lush high-altitude pasture famous for its natural geothermal hot springs set beneath the massive ice-wall of the 5,012m Pik Palatka.

canada/kluane-national-park-yukon

Slim’s River West Trail (Ä’äy Chù West)

EXPERT // HAZARD
Full Route Report

A journey to the Ice Age. The Slim’s River West Trail is a rugged 45-60km round-trip trek in the heart of the Yukon’s Kluane National Park. It follows the massive, silt-laden Ä’äy Chù (Slim’s River) valley through vast gravel flats and thickets of willow and dwarf birch. The trail culminates at Canada Creek, but the true objective for most hikers is the grueling 1,200m climb up Observation Mountain. From the summit, you are rewarded with a soul-stirring view of the Kaskawulsh Glacier—a literal ocean of ice that flows from the Saint Elias Mountains, some of the highest peaks in North America. This is raw, unadulterated wilderness where silence is only broken by the wind and the roar of glacial melt.

Head-to-Head Metric Analysis

Intensity Score
76
76
Physical LoadMore Physically Taxing
70 WINNER
62
Technical Seriousness
69
69
Distance
45 km
45 km
Elevation GainMore vertical
2,400 m WINNER
1,400 m
Highest PointHigher summit
3,860 m WINNER
2,100 m
DurationShorter commitment
3 days WINNER
4 days
Hazard Level
EXPERT // HAZARD
EXPERT // HAZARD
Crowd LevelLess crowded
4 / 5
WINNER1 / 5
Remoteness
5 / 5
5 / 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
Terskey Alatau & Ala-Köl Lake
EXPERT // HAZARD
steep loose scree: The descent from the Ala-Kol pass is extremely steep and consists of loose, sliding gravel.
weather instability: Snow, hail, and high-altitude gales can occur even in mid-July.
Route B // Hazard Verdict
Slim’s River West Trail (Ä’äy Chù West)
EXPERT // HAZARD
high density grizzly habitat: The Slim's River valley is well known for frequent grizzly bear activity.
treacherous glacial creek crossings: Bullion Creek and Canada Creek can rise rapidly due to glacial melt and heavy rain, becoming potentially deadly.

Required Gear Comparison

Terskey Alatau & Ala-Köl Lake
Sturdy waterproof hiking bootsGore-Tex outer shell and thermal layersTrekking poles (Essential for the passes)High-altitude 3-season sleeping bag and tentBackpacking stove and fuelWater purification (many streams pass livestock areas)Small bathing suit and towel (for the hot springs)
Slim’s River West Trail (Ä’äy Chù West)
Hard-sided bear canister (strongly advised; provided by Parks Canada)Bear SpraySatellite Communicator (InReach)Sturdy hiking boots with ankle protectionWaterproof jacket and wind shellWater shoes for creek crossingsWarm technical mid-layer (down/fleece)1:50,000 Topographic Map (115 B/15 Slim’s River)

Compare with Other Routes

argentina
Mount Fitz Roy (Cerro Fitz Roy)
EXPERT // HAZARD
argentina
Perito Moreno Glacier Trail
EXPERT // HAZARD
austria
Graukogel — Pine Forests & strenuous Ridges
EXPERT // HAZARD
austria
Seefelder Spitze — The Karwendel Crown
EXPERT // HAZARD
australia
Overland Track
EXPERT // HAZARD
australia
Thorsborne Trail
EXPERT // HAZARD