https://youtu.be/3hUO40TfzNQ San Pedro Valley County Park is a San Mateo County park located in Pacifica, California, which includes the headwaters of San Pedro Creek. A 1,052-acre area embracing the middle and south forks of San Pedro Creek, which are Steelhead spawning grounds, this park is nestled amongst the Santa Cruz Mountain range and the foothills of Pacifica. The park offers group picni..