Mount Tamalpais State Park is a California state park, located in Marin County, California. The primary feature of the park is the 2,571 feet Mount Tamalpais. The park contains mostly redwood and oak forests. The mountain itself covers around 25,000 acres. There are about 60 miles of hiking trails, which are connected to a larger, 200-mile network of trails in neighboring public lands. The park received 564,000 visitors as of 2003. Muir Woods National Monument is surrounded by the state park.