CAR - The Santa Monica Mountains National Recreation Area is located west of Griffith Park in Los Angeles County and to the east of the Oxnard Plain in Ventura County. Access to most park areas is available via many roads that cross the mountains between these two major highways. A portion of the park also stretches into the Simi Hills, north of U.S. Highway 101. The National Park Service Visitor Center is located at 401 West Hillcrest Drive in Thousand Oaks, California. First driveway on the right.
Nights can be cool any time of the year.
In the summer, the coastal side of the mountains is generally 10 to 15 degrees cooler than the inland side. In the winter this pattern is reversed with warmer temperatures along the coast. Layer your clothing to be comfortable anywhere in the mountains. For safety and comfort, use a hat, sunscreen and appropriate shoes or boots. Accessibility Various tours, programs, and trails are accessible or partially accessible to persons with disabilities.