Thomas Mountain & Toolbox Springs Yellow Post Site
The numbers that decide it
Recreation.gov publishes no site-level detail for this campground, so we cannot say what length of rig it takes. Call the managing office before committing to it in a large vehicle.
Site-level detail from Recreation.gov, checked 2026-08-05. Where a field says “not published”, the agency has not published it — it does not mean zero.
Thomas Mountain & Toolbox Springs Yellow Post Site
There are 10 Yellow Post sites in the Thomas Mountain area, and Toolbox Spring area has 6 remote camping sites. They offer isolated scenic locations ideal for tent and car camping or a relaxing picnic. Other than a metal pit for campfires, these sites do NOT contain the amenities found at developed campgrounds. There is no water, no restrooms nearby, and no trash containers. Please pack it in - pack it out! Campfire permits are required for any type of fire use - campfires, charcoal BBQ’s, or stoves. Campfires may not be allowed certain times of the year. These Yellow Post Sites are reached via Forest Road 6S13 (dirt). Please call the Idyllwild Ranger Station for road conditions, current fire restriction, and other information 1-909-382-2921 .
Before you go
Reservations
First-come, first-served
Fees
No Fee Required.
Restrictions
8 persons maximum. 2 vehicles maximum. • Avoid parking on grasses and vegetation at all times. • Yellow post campsites have a 14 day camping limit. Pack out what you pack in and Leave No Trace!
Make it a night on a better road
Byway plans the drive in — real stops, real weather, nothing invented.