29,559 campgrounds
Sumter National Forest
Clearwater National Forest
Nezperce National Forest
Shasta-Trinity National Forest
Pike National Forest
Siuslaw National Forest
Sierra National Forest
Huron National Forest
Whitman National Forest
Ashley National Forest
Lassen National Forest
Lewis & Clark National Forest
Jefferson National Forest
Wenatchee National Forest
Bridger National Forest
Mendocino National Forest
Inyo National Forest
Snoqualmie National Forest
Cibola National Forest
Gunnison National Forest
Los Padres National Forest
