Leo Carrillo State Park is a state park of California, United States, and a component of Santa Monica Mountains National Recreation Area preserving 1.5 miles of beach at the foot of the Santa Monica Mountains. California State Route 1 runs through the park, where it intersects with the western terminus of the Mulholland Highway. The 2,513-acre park was established in 1953. It is named for actor and conservationist Leo Carrillo (1881–1961), who served on the State Parks commission.