Inyo National Forest · California

John Muir

14 mi of trail, end to end · about 4,000 ft of climbing · 7,725 ft–10,163 ft · native material surface · trail No. 2503 · trail class 3 · typical grade 8-10% · tread 24-36 inches wide · hiking, horse

9,015 ft 9,845 ft · 5.0 mi high 10,151 ft

Onion Valley Area the Forest Service's write-up

Trails from Onion Valley provide access to the John Muir Wilderness and Kings Canyon National Park . In the spring, Onion Valley is popular with backcountry skiers and snowboarders. The road to Onion Valley is usually open from May to November.

Download area map for trail names

This hike on fs.usda.gov

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About this trail's facts

The lines are the US Forest Service's National Forest System trails layer (public domain), read 2026-10-16 and simplified for the map; the length is the line's, end to end, and the class, surface, grade and tread width are the forest's own entries where it publishes them - a forest that publishes the centreline alone has none. The trailheads and the points along the way are the Service's recreation points, and the write-ups its own recarea text, unedited. Heights come from USGS 3DEP through Terrain Tiles on AWS (Mapzen/Tilezen), read along each line and rounded; a short trail on steep ground can be off by a few tens of feet. Closures change: check the forest's own site before you go.