The Cleveland National Forest encompasses most of the Santa Ana Mountains of Southern California. It is a national forest administered by the National Forest Service, an agency of the United States national government. It is located in the California counties of Orange, Riverside, and San Diego. Very little of the forest is actually covered in woodland. The forest is bisected by the Ortega Highway, which runs from San Juan Capistrano to Lake Elsinore. Santa Ana Mountains The Santa Ana Mountains are short peninsular mountain range along the coast of southern California in the United States. ... Southern California Los Angeles San Diego Southern California, sometimes called SoCal, is an informal name for the southern one-third of the state of California. ... This article is on national forests in the United States. ... The USDA Forest Service, a United States government agency within the United States Department of Agriculture, is under the leadership of the United States Secretary of Agriculture. ... State nickname: The Golden State Other U.S. States Capital Sacramento Largest city Los Angeles Governor Arnold Schwarzenegger Official languages English Area 410,000 km² (3rd)  - Land 404,298 km²  - Water 20,047 km² (4. ... Orange County is the name of several counties in the United States of America: Orange County, California: probably named for the city of Orange, California, which in turn may have been named after the orange groves that used to exist there. ... Riverside County is a county located in the southeastern part of the U.S. state of California, stretching from Orange County to the Colorado River, which is the border with Arizona. ... San Diego County is a county located on the Pacific Ocean in the far southwest of California, along the border with Mexico. ... JUNCTION MILE POST I-5   I-15   I-215   SR-243   SR-371   SR-111   Legend < Route 73 Route 75 > The California State Highway System California State Route 74, a part of the Pines to Palms Scenic Byway, is a mostly scenic highway that runs from Palm Desert in Riverside... San Juan Capistrano is a city located in southern Orange County, California, USA. As of the 2000 census, the city had a total population of 33,826. ... Lake Elsinore is a city located in Riverside County, California. ...