28,702 campgrounds
Willamette National Forest
Ozark National Forest
Crooked River National Grassland
Wenatchee National Forest
Wallowa National Forest
Custer National Forest
Grand Mesa National Forest
Malheur National Forest
Sierra National Forest
Kaibab National Forest
Chattahoochee National Forest
San Isabel National Forest
Plumas National Forest
Snoqualmie National Forest
Cache National Forest
Deschutes National Forest
Klamath National Forest
Uinta National Forest
Fremont National Forest
Medicine Bow National Forest
Challis National Forest
