Peak · Alpine Lakes Wilderness
Atrium Peak
15.3 mi round trip4,939 ft gainVery hardDay hike: Free self-issueOvernight: Free self-issue
Get alerts for this hikePermits and reservations
Day hikeFree self-issue
Fill out the free wilderness permit at the trailhead kiosk.
OvernightFree self-issue
No reservation. Use the same free permit, keep groups to 12 or fewer, and camp at least 200 ft from water.
Alpine Lakes Wilderness rules from the Forest Service. Matched from official wilderness boundaries. Always confirm with the land manager before you go.
About the trail
Distance15.3 miRound trip, out and back
Elevation gain4,939 ftTotal climb, round trip
Summit5,359 ftFrom elevation data
Overview
Atrium Peak is a peak reached by a 15.3-mile round trip from West Fork Foss Lakes Trailhead. The route follows West Fork Foss Trail, then Chetwoot Lake Route, then Chetwoot Lake Route to the summit.
Photos from hikers
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What you need
Parking and passes
Forest Service trailhead: display a Northwest Forest Pass or an interagency pass (America the Beautiful).
Buy a Northwest Forest PassGetting there
The hike starts at West Fork Foss Lakes Trailhead. Save directions offline before you leave, since mountain roads often lose cell service.