28,777 campgrounds
Mt. Hood National Forest
Sumter National Forest
Clearwater National Forest
Shasta-Trinity National Forest
Pike National Forest
Siuslaw National Forest
Sierra National Forest
Ashley National Forest
Lewis & Clark National Forest
Jefferson National Forest
Bridger National Forest
Mendocino National Forest
Snoqualmie National Forest
Cibola National Forest
Gunnison National Forest
Chattahoochee National Forest
Uinta National Forest
Sitgreaves National Forest
Okanogan National Forest
Deschutes National Forest
Angeles National Forest
