28,186 campgrounds
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
Nezperce National Forest
Mendocino National Forest
Sequoia National Forest
Ochoco National Forest
Oconee National Forest
Sumter National Forest
Cibola National Forest
Okanogan National Forest
Huron National Forest
Wallowa National Forest
Gunnison National Forest
San Isabel National Forest
Kaw Lake — Osage Cove
Uncompahgre National Forest
Fremont National Forest
Ozark National Forest
