Sun River (FR 108) in MT -- Camping Rules & Access
Sun River (FR 108) in MT
Road corridorHelena-Lewis and Clark NF, Rocky Mountain Ranger District
31 mi from Choteau
Maps 4,965 ft
Dispersed camping generally allowed
U.S. Forest Service default; a local order can restrict it.
Helena-Lewis and Clark National Forest ↗
Stay limit: 16 consecutive days · 32 days total per calendar year · then move 0.5 mi
VerizonNONE
AT&TNONE
T-MobileNONE
StarlinkGOOD
Road Access
Difficult
- 3.2 of this road’s 12.5 miles are maintained for high-clearance vehicles, mostly paved with 3.6 miles of dirt.
- Estimated climb: 1,600 ft over 12.5 miles through 15 switchbacks, with sustained grades near 14% and pitches to 27%.
- Terrain estimates show roadside drops of up to ~230 ft on the downhill side.
- Terrain estimates suggest level ground alongside most of this road; parking areas are not verified.
- Dead-end road; turnaround space is not mapped.
Known camping along this road between mile 6.4 and mile 10: .
Setting
Some privacy
- Moderately separated here.
- Allan Mountain stands 3,125 ft above the map pin, 3.9 miles south.
- The Gibson Reservoir shoreline is 0.4 mi off.
Rules
Climate averages
October normals 30–52°F, 1.6″ precipitation. Monthly averages, PRISM 1991–2020.