28,702 campgrounds
Francis Marion National Forest
Nicolet National Forest
Stanislaus National Forest
Deerlodge National Forest
Bridger-Teton National Forest
Tahoe National Forest
Willamette National Forest
Plumas National Forest
Mt. Hood National Forest
Mendocino National Forest
Apache National Forest
Gallatin National Forest
Norfork Lake — Gamaliel
Jefferson National Forest
Olympic National Forest
Sitgreaves National Forest
George Washington National Forest
Sierra National Forest
Mt. Baker National Forest
Roosevelt National Forest
