111 Mitchell Ave, South San Francisco, CA 94080 

Año Nuevo State Reserve
Elephant seals laying on the beach near San Francisco

Año Nuevo State Reserve

This state reserve is the site of one of the largest mainland-breeding colonies in the world for the northern elephant seal. Elephant seals, sea lions, and other marine mammals come ashore to rest, mate, and give birth in the sand dunes or on the beaches and offshore islands. Reservations fill up fast.