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Montana
4.8 mi
Distance
264 ft
Gain
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Helena-Lewis and Clark 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.
Nobody's filed a report here yet — be the first.
Why you'll love it
Sourdough Basin Trail
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.
Sourdough Basin Trail — Montana, 4.8 mi.
Mainline Trail
~1 min drive
15 mi · Hard
Upper Landers Trail
~2 min drive
16 mi · Hard
Bugle Mountain
~4 min drive
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Twin Lakes
~4 min drive
4.6 mi · Moderate
Mineral Creek
~5 min drive
14 mi · Hard
Red Mountain Trail
~6 min drive
7.7 mi · Hard
Middle Fork Trail
~7 min drive
5.5 mi · Moderate
Crow Peak Trail
~7 min drive
8.0 mi · Hard
Switchback Hill Trail
~9 min drive
3.6 mi · Moderate
Olson Peak
~9 min drive
17 mi · Hard