Slate Lake (FR 1871-A1) in MT -- Camping Rules & Access
Slate Lake (FR 1871-A1) in MT
Road corridorHelena-Lewis and Clark NF, Helena Ranger District
16 mi from Helena West Side
Maps 5,915 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
VerizonMARGINAL
AT&TSTRONG
T-MobileUSABLE
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Road Access
Rough
- All 1.5 miles of this road are maintained for passenger cars, dirt the whole way.
- Near Negro Mountain.
- Estimated climb: 300 ft over 1.5 miles, with sustained grades near 12% and pitches to 15%.
Setting
Fairly secluded
- Well separated here, with the nearest through road 0.8 miles off.
- Negro Mountain stands 1,290 ft above the map pin, 2.0 miles south.
- Little Blackfoot River runs 0.6 mi off.
Rules
Climate averages
October normals 30–51°F, 1.6″ precipitation. Monthly averages, PRISM 1991–2020.