Forest Lake-Atm Rev (FR 66) in MT -- Camping Rules & Access
Forest Lake-Atm Rev (FR 66) in MT
Road corridorHelena-Lewis and Clark NF, Judith-Musselshell Ranger District
30 mi from White Sulphur Springs
11 mi off US 12 (straight line)
Maps 6,538 ft
Camping permission not confirmed
Miles 6.9–7.6, 9–11.8 and 15–16 cross land the Forest Service doesn't manage; camping there needs the landowner's permission.
Helena-Lewis and Clark National Forest ↗
Motor-vehicle season 12/1–10/14Stay limit: 16 consecutive days · 32 days total per calendar year · then move 0.5 mi
VerizonNONE
AT&TNONE
T-MobileNONE
StarlinkGOOD
Road Access
Difficult
- 4.4 of this road’s 18.4 miles are maintained for high-clearance vehicles, dirt the whole way.
- Near Crow Creek Trailhead.
- Estimated climb: 3,200 ft over 18.4 miles through 19 switchbacks, with sustained grades near 12% and pitches to 25%.
- Terrain estimates show roadside drops of up to ~110 ft on the downhill side.
- Dead-end road; turnaround space is not mapped.
- A cattle guard 4.8 miles along the road.
- A gate 5.5 miles along the road.
Setting
Some privacy
- Moderately separated here.
- Virginia Peak stands 2,217 ft above the map pin, 1.6 miles southwest.
- Virginia Creek runs 0.1 mi off.
Rules
Climate averages
October normals 29–48°F, 2.9″ precipitation. Monthly averages, PRISM 1991–2020.