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Montana
4.0 mi
Distance
380 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
Mortimer Pass
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.
Mortimer Pass — Montana, 4.0 mi.
Mortimer Gulch
~2 min drive
12 mi · Hard
Blacktail Creek
~4 min drive
17 mi · Hard
Big George Gulch
~5 min drive
14 mi · Hard
Arsenic Creek
~6 min drive
9.2 mi · Moderate
Fish & Game Cabin
~6 min drive
1.0 mi · Easy
Cabin Creek
~6 min drive
20 mi · Hard
North Fork Sun River
~6 min drive
27 mi · Hard
Lange Creek
~7 min drive
2.2 mi · Easy
North Fork Sun Cutacross
~7 min drive
2.3 mi · Easy
Elk Hill
~7 min drive
6.2 mi · Hard