29,559 campgrounds
Rogue River National Forest
Custer National Forest
San Isabel National Forest
Sumter National Forest
Tahoe National Forest
Challis National Forest
Six Rivers National Forest
Modoc National Forest
Mt. Hood National Forest
Deschutes National Forest
Humboldt National Forest
Roosevelt National Forest
Uinta National Forest
Kisatchie National Forest
Angeles National Forest
Whitman National Forest
Caribou National Forest
