Thomas Mountain Road

Thomas Mountain Road

Level: Strenuous
Elevation Gain: 2000 ft.
Hiking Time: 6 hours
Trail Length: 11 miles

A National Forest Service adventure pass ($5 for a day or $30 for a year) is required for this trail.


From Highway 111 in Palm Desert, turn south onto Highway 74 and proceed for 24 miles until you pass Highway 371 to San Diego. Stay on Highway 74 for 3 miles past the 371 cutoff. Continue past Pyramid Peak Road and continue for another 4.5 miles until you see on your right the brown sign indicating Thomas Mountain Road. This road is just east of Lake Hemet by almost 1 miles. Turn left on highway 74 and park where convenient.

Help us keep this trail beautiful and dog-friendly:
• Always follow the posted rules as they may have changed
• If in an off-leash area, keep your dog under voice command
• Respect and protect wildlife and habitats
• Pack in and pack out, leaving only paw prints