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