28,760 campgrounds
Lewis & Clark National Forest
Tahoe National Forest
Black Hills National Forest
Sequoia National Forest
Mendocino National Forest
Uinta National Forest
George Washington National Forest
Coronado National Forest
Deschutes National Forest
Medicine Bow National Forest
Willamette National Forest
Gunnison National Forest
Los Padres National Forest
Jefferson National Forest
Huron National Forest
Umpqua National Forest
Wallowa National Forest
Tonto National Forest
Sitgreaves National Forest
