Pumice Mine Road (FR 01S40) in CA -- Camping Rules & Access
Pumice Mine Road (FR 01S40) in CA
Road corridorInyo NF, Mono Lake Ranger District
14 mi from Mammoth Lakes
Maps 8,395 ft
Dispersed camping generally allowed
U.S. Forest Service default; a local order can restrict it.
Stay limit: 14 consecutive days · 28 days total per calendar year · then move 10 mi
VerizonWEAK
AT&TMARGINAL
T-MobileWEAK
StarlinkGOOD
Road Access
Difficult
- All 4.8 miles of this road are maintained for high-clearance vehicles, dirt the whole way.
- Estimated climb: 1,100 ft over 4.8 miles through 6 switchbacks, with sustained grades near 14% and pitches to 16%.
- Terrain estimates show roadside drops of up to ~120 ft on the downhill side.
- Dead-end road; turnaround space is not mapped.
Setting
Some privacy
- Moderately separated here.
- Mount Wood stands 4,233 ft above the map pin, 8.3 miles west.
Rules
Climate averages
October normals 26–59°F, 1.1″ precipitation. Monthly averages, PRISM 1991–2020.