Free — you'll pick up right here.
Watch this trail
Sign up to watch it — saving subscribes you to gate, closure and report changes.
Idaho
25.1 mi
Distance
4,169 ft
Gain
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Payette 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
Grass Mountain (Wilderness)
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.
Grass Mountain is a challenging wilderness trek that rewards dedicated hikers with high alpine scenery and expansive views across central Idaho. This 25-mile journey gains over 4,100 feet of elevation, traversing remote backcountry terrain through varied ecosystems from forested slopes to open ridgelines. The wilderness setting offers solitude and pristine natural conditions for experienced hikers seeking an authentic backcountry experience.
Chamberlain Creek
~2 min drive
Moderate 11.2-mile creek drainage hike in central Idaho backcountry.
Salmon River
~8 min drive
Easy riverside walk along Idaho's Salmon River with minimal elevation gain.
Cabin Springs
~16 min drive
Easy 1.5-mile foothill walk near Cabin Springs, Idaho.
Devils Toe
~3 min drive
Moderate 9.74-mile trail with minimal elevation gain near Devils Toe, Idaho.
Harrington Saddle
~16 min drive
Short alpine saddle hike with scenic ridge views in central Idaho.
Disappointment Creek
~4 min drive
Gentle 14.29-mile creek valley walk with minimal elevation gain.
Runaway Ridge
~6 min drive
Grueling 27-mile ridge traverse with 3,910 ft gain—expert backcountry challenge.
Wapiti
~8 min drive
Moderate 8.56-mile hike with 1,891 ft gain in central Idaho.
Prospect Ridge
~9 min drive
Challenging 12-mile ridge climb with 3,840 ft gain and alpine views.
Dwyer-Smith
~10 min drive
Expert-level 21.5-mile backcountry trek with 5,200 ft elevation gain.
Also worth it near here