National Forest
Links to National Forest OHV Recreation Areas in California
These links will take you out of the California State Parks website.
United States Forest Service 
Off Highway Vehicles
US Forest Service Pacific Southwest Region
National Forests in CaliforniaAngeles National Forest Off-Highway Vehicles
Cleveland National Forest
El Dorado National Forest Motorized Trails
Humboldt-Toiyabe Carson Ranger District OHV/OSV Program
Inyo National Forest
Klamath National Forest Recreational Activities - OHV Grant
Lake Tahoe Basin Management Unit
Lassen National Forest
Los Padres National Forest
Mendocino National Forest Off-Highway Vehicles
Modoc National Forest Off Highway Vehicles
Plumas National Forest
San Bernardino National Forest Off Highway Use
Sequoia National Forest
Shasta-Trinity National Forest
Sierra National Forest Off-Highway Vehicles
Six Rivers National Forest
Stanislaus National Forest Off-Highway Vehicles Over Snow Vehicles
Tahoe National Forest