28,545 campgrounds
Wasatch National Forest
Humboldt-Toiyabe National Forest
Umatilla National Forest
Uncompahgre National Forest
Ottawa National Forest
Sierra National Forest
Challis National Forest
Jefferson National Forest
Wenatchee National Forest
Cherokee National Forest
San Isabel National Forest
George Washington National Forest
Salmon National Forest
San Bernardino National Forest
Umpqua National Forest
Deschutes National Forest
Medicine Bow National Forest
Clearwater National Forest
Prescott National Forest
