29,559 campgrounds
Challis National Forest
Lewis & Clark National Forest
Mt. Hood National Forest
Apache National Forest
Tahoe National Forest
Manistee National Forest
Coeur d'Alene National Forest
Rogue River National Forest
Okanogan National Forest
Wenatchee National Forest
Shasta-Trinity National Forest
San Bernardino National Forest
Gallatin National Forest
Uncompahgre National Forest
Ouachita National Forest
Osceola National Forest
Plumas National Forest
Grand Mesa National Forest
