Castle Rock State Park (California)

Castle Rock State Park is a California state park located in the Santa Cruz Mountains, primarily in Santa Cruz County, with portions extending into Santa Clara County. The park is named for a large sandstone formation that resembles a castle. It is known for its distinctive rock formations, including tafoni, and extensive trail system offering opportunities for hiking, backpacking, rock climbing, and equestrian use.

The park covers approximately 5,242 acres and features a diverse ecosystem ranging from redwood forests to chaparral. Popular trails within the park include the Saratoga Gap Trail, Ridge Trail, and the Skyline to the Sea Trail, which provides access to the Pacific Ocean.

Castle Rock State Park is a popular destination for outdoor enthusiasts seeking challenging hikes, scenic views, and the chance to explore the unique geological features of the Santa Cruz Mountains. Backcountry camping is available by permit. The park's proximity to the San Francisco Bay Area makes it a readily accessible escape into nature.