Free — you'll pick up right here.
Watch this trail
Sign up to watch it — saving subscribes you to gate, closure and report changes.
Montana
4.9 mi
Distance
290 ft
Gain
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.
Nobody's filed a report here yet — be the first.
Why you'll love it
Otter Lake
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.
Otter Lake — Montana, 4.9 mi.
Farley Lake Loop
~3 min drive
12 mi · Hard
Granite Lake Loop
~5 min drive
3.9 mi · Moderate
Big Moose Lake Trail
~6 min drive
1.3 mi · Easy
Green Lake
~7 min drive
6.6 mi · Hard
Mariane Lake
~7 min drive
2.6 mi · Easy
Russell Creek
~8 min drive
20 mi · Hard
Lost Lake Trail
~8 min drive
4.8 mi · Moderate
Widewater
~8 min drive
9.7 mi · Hard
Granite Lake Trail
~9 min drive
3.1 mi · Moderate
Fox Lake
~9 min drive
0.6 mi · Easy
Also worth it near here