28,702 campgrounds
Mt. Hood National Forest
Little Missouri National Grassland
Manistee National Forest
Wrangell
Rogue River National Forest
Okanogan National Forest
Wenatchee National Forest
Shasta-Trinity National Forest
Challis National Forest
San Bernardino National Forest
Gallatin National Forest
Sumter National Forest
Moab
Uncompahgre National Forest
Ouachita National Forest
Osceola National Forest
Umatilla National Forest
Salmon National Forest
Kake
Fishlake National Forest
Ashley National Forest
