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Montana
4.9 mi
Distance
374 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
2 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
Porcupine Basin
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.
Porcupine Basin — Montana, 4.9 mi.
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