28,290 campgrounds
Mendocino National Forest
Tonto National Forest
Chattahoochee National Forest
Lake Tahoe Basin Management Unit
Manistee National Forest
Chequamegon National Forest
Stanislaus National Forest
Gunnison National Forest
Lassen National Forest
Mt. Hood National Forest
Jefferson National Forest
Deschutes National Forest
Umatilla National Forest
Flathead National Forest
Sawtooth National Forest
Beaverhead National Forest
Willamette National Forest
Nezperce National Forest
Sequoia National Forest
Ochoco National Forest
Oconee National Forest
Sumter National Forest
