Ackerman Campground
Shasta-Trinity National Forest
$23/night
State Park
Aerie Crag RV Campground
Inyo National Forest
Free
State Park
Agnew Meadows Group Camp
Inyo National Forest
$36.04–72.04/night
State Park
Agnew Meadows Horse Campground
Inyo National Forest
$22.53–52.65/night
State Park
Ah-Di-Na
Shasta-Trinity National Forest
$10/night
State Park
Ahart Campground
Tahoe National Forest
Free
State Park
Albert Pike Recreation Area
Ouachita National Forest
Free
State Park
Alberta Park Reservoir
Rio Grande National Forest
Free
State Park
Alder Creek Camp
Sequoia National Forest
Free
State Park
Alder Springs Camp
Malheur National Forest
Free
State Park
Alder Springs Campground
Willamette National Forest
Free
State Park
Algoma Campground
Shasta-Trinity National Forest
Free
State Park
Aliso Park Campground
Los Padres National Forest
Free
State Park
Allen Springs Campground
Willamette National Forest
$23–28/night
State Park
Allingham Campground
Deschutes National Forest
$24–26/night
State Park
Allred Flat
Bridger-Teton National Forest
Free
State Park
Almanor
Lassen National Forest
$15–100/night
State Park
Alpine North Loop Campground
Caribou-Targhee National Forest
Free
State Park
Alpine View Campground
Shasta-Trinity National Forest
$23–46/night
State Park
Alturas Inlet Campground
Sawtooth National Forest
Free
State Park
Alturas Lake Picnic Area (Id)
Sawtooth National Forest
Free
State Park
American Canyon Campground
Los Padres National Forest
Free
State Park
Anderson Cove (uinta-wasatch-cache National Forest, Ut)
Uinta-Wasatch-Cache National Forest
$22–255/night
State Park
Andies Prairie Sno-Park
Umatilla National Forest
Free
State Park