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Montana
16.9 mi
Distance
3,699 ft
Gain
7h 29m
Time
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Custer Gallatin National Forest
3 managing-area boundaries mapped — agency alerts for them feed this page automatically.
Boundary data
What's missing
No access route mapped
We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.
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Why you'll love it
East Fork Boulder
AI-suggested draft · review before you go
No permit or access details on file for this trail — check with the local land manager before you go.
East Fork Boulder is a challenging 16.9-mile alpine adventure in Montana that rewards experienced hikers with significant elevation gain of 3,699 feet. This remote trail traverses the East Fork drainage, offering expansive views and access to high-country terrain typical of Montana's rugged backcountry. The route combines sustained climbing with scenic alpine meadows and rocky terrain.
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