LOS GATOS, CA - JUNE 21: A new entrance to Castle Rock State Park is photographed in Los Gatos, Calif., on Friday, June 21, 2019. The new $8 million entrance includes a parking lot for 90 cars, ...

The steel cables used to hike Castle Rock State Park near Los Gatos, Calif., in July 2024. Eric Brooks Special to SFGATE “Castle Rock is a very unique geological area,” said a State Parks ...