Crystal Lake (FR 275) in MT -- Camping Rules & Access
Crystal Lake (FR 275) in MT
Road corridorHelena-Lewis and Clark NF, Judith-Musselshell Ranger District
18 mi from Lewistown
12 mi off US 191 (straight line)
Maps 6,064 ft
Dispersed camping generally allowed
U.S. Forest Service default; a local order can restrict it.
Helena-Lewis and Clark National Forest ↗
Motor-vehicle season 6/2–11/30Stay limit: 16 consecutive days · 32 days total per calendar year · then move 0.5 mi
VerizonNONE
AT&TNONE
T-MobileNONE
StarlinkFAIR
Road Access
Moderate
- 0.8 of this road’s 6.7 miles are maintained for passenger-car comfort, mostly paved with 0.4 miles of gravel.
- Near Mount Harlow.
- Estimated climb: 1,200 ft over 6.7 miles through 4 switchbacks, with sustained grades near 12% and pitches to 19%.
- Terrain estimates show roadside drops of up to ~150 ft on the downhill side.
- Dead-end road; turnaround space is not mapped.
Setting
Limited privacy
- Limited separation from through roads or other sites here, with the nearest through road 0.1 miles off.
- Mount Harlow stands 1,193 ft above the map pin, 0.7 miles east.
- Crystal Lake lies 0.2 mi off.
Rules
Climate averages
October normals 28–49°F, 3.0″ precipitation. Monthly averages, PRISM 1991–2020.