CampgroundsDB

Flat Rock Extension Campground

Its sites are first-come, first-served (no reservations), and camping costs Single Site: $5 per night. Flat Rock Extension Campground is a National Forest campground near Stanley, Idaho.

First-come, first-served

National Forest · Stanley, Idaho

National Forest
Managed by

Flat Rock Extension 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
Single Site: $5 per night

Source: apps.fs.usda.gov, accessed 2026-09-30

What's there

  • ✓ Toilets
  • ✓ Fire rings

On site: Toilets and fire rings.

Access and cell service

Elevation
6,108 ft

44.2930, -114.7161 in Custer. Open in OpenStreetMap. Map © OpenStreetMap contributors.

Open in Google Maps Directions

Common questions

Do you need a reservation at Flat Rock Extension Campground?

No. Flat Rock Extension Campground is first-come, first-served: there is no reservation system, so arrive early to claim an open site.

How much does it cost to camp at Flat Rock Extension Campground?

Camping at Flat Rock Extension Campground costs Single Site: $5 per night.

Who manages Flat Rock Extension Campground?

Flat Rock Extension Campground is managed by the U.S. Forest Service.

Around Flat Rock Extension Campground

Hot springs and swimming nearby

swimholesmap.com · within 30 miles

Nearest to Flat Rock Extension Campground, in straight-line miles: Sunbeam Hot Springs (hot spring, 2.3 miles), Redfish Lake (swimming hole, 15 miles), and Boat Box Hot Springs (hot spring, 24 miles). Each has its own page on swimholesmap.com.

Flat Rock Campground Custer · National Forest · First-come
Sites
Not on record
Season
Not on record
Fee
Not on record
 Pole Flat Campground Stanley · National Forest · First-come
Sites
Not on record
Season
Not on record
Fee
Single Site: $10 per night
 Blind Creek Campground Stanley · National Forest · First-come
Sites
Not on record
Season
Not on record
Fee
Single Site: $5 per night
 Dutchman Flat Dispersed Campground Custer · National Forest · First-come
Sites
Not on record
Season
Not on record
Fee
Free

More campgrounds: camping near Stanley and campgrounds in Custer.

Sources

First-come, first-served Single Site: $5 per night
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