Campbell Tree Grove Campground
Olympic National Forest
Free
State Park
Campers Flat Campground
Willamette National Forest
Free
State Park
Campo Alto Campground
Los Padres National Forest
$20–100/night
State Park
Candle Creek Campground
Deschutes National Forest
$17–19/night
State Park
Canton Creek Campground
Umpqua National Forest
$10/night
State Park
Canyon Lake Marina & Campground
Tonto National Forest
Free
State Park
Canyon Meadows
Malheur National Forest
Free
State Park
Canyon Vista Campground
Coconino National Forest
$22/night
State Park
Cape Perpetua
Siuslaw National Forest
$31.22/night
State Park
Captains Point Boat-in Campground
Shasta-Trinity National Forest
Free
State Park
Cardens Bluff Campground
Cherokee National Forest
$12/night
State Park
Caribou National Forest Emigration Campground
Caribou-Targhee National Forest
Free
State Park
Carlton
Tahoe National Forest
$24/night
State Park
Carmel Campground - Ashley National Forest
Ashley National Forest
$6.5–13/night
State Park
Carr Lake Campground
Tahoe National Forest
Free
State Park
Carter Lake
Siuslaw National Forest
$22/night
State Park
Carter Meadows Horse Campground
Klamath National Forest
$50/night
State Park
Cascade Creek Campground
Stanislaus National Forest
Free
State Park
Cash Prairie Trailhead
Okanogan-Wenatchee National Forest
Free
State Park
Casino Creek Campground
Sawtooth National Forest
$18–36/night
State Park
Castle Lake Campground
Shasta-Trinity National Forest
Free
State Park
Castle Rock Group Campground
Siuslaw National Forest
$75/night
State Park
Catavee
Sierra National Forest
$34–72/night
State Park
Cats Paw Camp
Ashley National Forest
Free
State Park