Loading trail…
Free — you'll pick up right here.
Save this plan
Sign up to save your own editable copy — you'll pick up right here.
Montana
26.7 mi
Distance
2,178 ft
Gain
No conditions check on file for this trail yet — always verify current conditions before you go.
Why you'll love it
North Fork Sun River
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.
The North Fork Sun River trail is a challenging backcountry route that traverses remote wilderness in the Bob Marshall Wilderness Complex. This nearly 27-mile journey follows the North Fork drainage through pristine montane and subalpine terrain, offering solitude and expansive views of the Mission Mountains and surrounding peaks. The trail gains over 2,100 feet of elevation while navigating river crossings and forested sections, making it ideal for experienced backpackers seeking an authentic wilderness experience.
Big George Gulch
~2 min drive
Moderately strenuous 13.85-mile gulch hike with 1,501 ft elevation gain.
Lange Creek
~5 min drive
Easy 2.2-mile creek walk with minimal elevation gain.
Mortimer Pass
~6 min drive
Scenic 4-mile alpine pass with 380 ft gain and panoramic mountain views.
Blacktail Creek
~3 min drive
Moderately challenging 16.61-mile creek drainage hike with 2,316 ft elevation gain.
Red Lake Stock
~5 min drive
Steady climb to Red Lake with mountain views and forest scenery.
North Fork Beaver-Leavitt
~7 min drive
Moderate 5.4-mile climb through North Fork drainage with steady elevation gain.
Mortimer Gulch
~4 min drive
Moderate 11.5-mile gulch hike with steady 1,157 ft elevation gain.
Fish & Game Cabin
~7 min drive
Easy 1-mile walk to historic Fish & Game Cabin.
Arsenic Creek
~7 min drive
Moderate 9.16-mile creek drainage hike with 1,367 ft elevation gain.
Castle Reef
~7 min drive
Easy 2-mile hike to scenic rock formations with 340 ft elevation gain.
Also worth it near here
