Flat Rock Campground
Its sites are first-come, first-served (no reservations). Flat Rock Campground is a National Forest campground near Custer, Idaho.
First-come, first-served
- National Forest
- Managed by
Flat Rock Campground sits inside Salmon-Challis National Forest. Its dispersed-camping rule, ranger offices, and boundary are on publiclandsdb.com.
Getting a site
- Managed by
- National Forest
- Reservations
- None, first-come
- Fee
- Fee unknown, see agency
Source: apps.fs.usda.gov, accessed 2026-09-30
Access and cell service
- Elevation
- 6,089 ft
44.2902, -114.7186 in Custer. Open in OpenStreetMap. Map © OpenStreetMap contributors.
Common questions
Do you need a reservation at Flat Rock Campground?
No. Flat Rock Campground is first-come, first-served: there is no reservation system, so arrive early to claim an open site.
Who manages Flat Rock Campground?
Flat Rock Campground is managed by the U.S. Forest Service.
Around Flat Rock Campground
Hot springs and swimming nearby
Nearest to Flat Rock Campground, in straight-line miles: Sunbeam Hot Springs (hot spring, 2.1 miles), Redfish Lake (swimming hole, 15 miles), and Boat Box Hot Springs (hot spring, 24 miles). Each has its own page on swimholesmap.com.
- Sites
- Not on record
- Season
- Not on record
- Fee
- Single Site: $5 per night
- Sites
- Not on record
- Season
- Not on record
- Fee
- Single Site: $5 per night
- Sites
- Not on record
- Season
- Not on record
- Fee
- Single Site: $10 per night
- Sites
- Not on record
- Season
- Not on record
- Fee
- Free
More campgrounds: camping near Custer and campgrounds in Custer.
Sources
- apps.fs.usda.gov (all fields), accessed 2026-09-30
- epqs.nationalmap.gov (elevationFt), accessed 2026-10-01