29,559 campgrounds
Clearwater National Forest
Siskiyou National Forest
Mt. Hood National Forest
Cache National Forest
Gunnison National Forest
Pike National Forest
Snoqualmie National Forest
Uinta-Wasatch-Cache National Forest
Rogue River National Forest
Fremont National Forest
Tahoe National Forest
Sequoia National Forest
Lewis & Clark National Forest
Challis National Forest
Uncompahgre National Forest
Okanogan National Forest
Inyo National Forest
Gallatin National Forest
Sumter National Forest
Roosevelt National Forest
