In Daly City, at the end of Thornton Beach Road. Follow John Daly Boulevard west from Interstate 280 across Skyline Boulevard onto Thornton State Beach Road. From Skyline Boulevard, turn west at the intersection with John Daly Boulevard onto Thornton State Beach Road. There is a viewing platform just west of the parking lot. There is no beach access. The Bay Area Ridge Trail begins on Mayfair Drive, located just southeast of the Skyline Blvd and John Daly Blvd intersection.
The climate is Mediterranean, so it tends to be windy and cold throughout much of the park. During the summer months, fo