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Alaska trails · Cassin Ridge Route

Cassin Ridge Route

A 7.2-mile out-and-back in Alaska, with 12,453 ft of climbing. Reaches Northeast Fork Kahiltna Glacier.

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Length
7.2 mi
Elevation gain
12,453 ft
Difficulty
Expert
Max grade
60%
Steepest mile
+5,490 ft
Tread at ≥10% grade
5.1 mi
Shape
out-and-back
Bikes
no
Horses
no

Elevation profile

7,583 – 20,009 ft1234567

Most of the climbing sits in the final third — 74% of the ascent, between mile 4.8 and mile 7.2. It climbs almost continuously, with little descent to recover on.

3-D terrain

3-D terrain view of Cassin Ridge Route

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5

Reaches

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Terrain graded T6 (SAC scale) — exposed or hands-on hiking reported on part of this route.

Daylight at the trailhead

On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 8:02 a.m., the sun rises at 8:48 a.m. and sets at 6:51 p.m., and the last usable light fades about 7:37 p.m. (AKDT) — 10 h 02 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 14.5-mile round trip works out to roughly 17 h 49 min of walking — more than a single day of daylight here, so plan it as an overnight or hike it in sections.