Año Nuevo State Reserve - On the southern San Mateo County coast, Año Nuevo is the site of the largest mainland breeding colony of the northern elephant seal. www.parks.ca.gov/default.asp?page_id=523
Portola - the San Francisco Peninsula Trail Guide - Trail descriptions, maps and hours for parks and open space areas. Includes a few in Santa Clara but most are in San Mateo County. www.parks.ca.gov/default.asp?page_id=539