28,400 campgrounds
Stanislaus National Forest
Chippewa National Forest
Sierra National Forest
Nantahala National Forest
Mt. Hood National Forest
Nicolet National Forest
Nezperce National Forest
Manistee National Forest
Wasatch National Forest
Inyo National Forest
Shasta-Trinity National Forest
Shasta National Forest
Targhee National Forest
Huron National Forest
Deschutes National Forest
Lassen National Forest
Wenatchee National Forest
Caribou-Targhee National Forest
Sawtooth National Forest
Los Padres National Forest
Snoqualmie National Forest
