29,970 campgrounds
George Washington National Forest
Apache National Forest
Willamette National Forest
Sequoia National Forest
Rogue River National Forest
Siuslaw National Forest
Angeles National Forest
Ozark National Forest
Los Padres National Forest
Hiawatha National Forest
Kootenai National Forest
Mendocino National Forest
Gifford Pinchot National Forest
Stanislaus National Forest
Manti-La Sal National Forest
Jefferson National Forest
Custer Gallatin National Forest
Wenatchee National Forest
Eldorado National Forest
