29,508 campgrounds
Wallowa National Forest
Willamette National Forest
San Bernardino National Forest
Wasatch National Forest
Tongass National Forest
Mt. Baker National Forest
Deschutes National Forest
Bighorn National Forest
Challis National Forest
Deerlodge National Forest
Mark Twain National Forest
George Washington National Forest
Custer National Forest
Black Hills National Forest
Inyo National Forest
Mt. Hood National Forest
Tahoe National Forest
Bienville National Forest
Ozark National Forest
Kaniksu National Forest
Coeur d'Alene National Forest
Sitgreaves National Forest
