Thomas MTN (FR 6S13) in CA -- Camping Rules & Access
Thomas MTN (FR 6S13) in CA
Road corridorSan Bernardino NF, San Jacinto Ranger District
4.3 mi from Anza
Maps 6,112 ft
Dispersed camping generally allowed
Local restrictions may apply; check the land manager’s camping rules.
Stay limit: 14 days · within 30 days · order effective March 12, 2026 through August 31, 2028
VerizonMARGINAL
AT&TNONE
T-MobileUSABLE
StarlinkGOOD
Road Access
Difficult
- 1.7 of this road’s 16.8 miles are maintained for high-clearance vehicles, dirt the whole way.
- Near Thomas Mountain.
- Estimated climb: 2,700 ft over 16.8 miles through 41 switchbacks, with sustained grades near 12% and pitches to 15%.
- Terrain estimates show roadside drops of up to ~150 ft on the downhill side.
- Dead-end road; turnaround space is not mapped.
- A water crossing 0.1 miles along the road.
- A cattle guard 10 miles along the road.
16 known camp spots along this road, between mile 0 and mile 16.6: 11 mapped, 5 reported by travellers.
Setting
Fairly secluded
- Well separated here, with the nearest through road 1.4 miles off.
- Thomas Mountain stands 699 ft above the map pin, 1.0 miles southeast.
- Hog Lake lies 1.2 mi off.
- Estimated night sky: Bortle 3, a dark rural sky.
Rules
Climate averages
September normals 51–79°F, 0.7″ precipitation. Monthly averages, PRISM 1991–2020.