Torrey Pines State Natural Reserve is a coastal state park located in the California community of La Jolla, San Diego, California, off North Torrey Pines Road (formerly a part of U.S. Route 101). Although it is located within San Diego city limits, it remains one of the wildest stretches of land (8 km²) on the Southern California coast. It is bordered immediately on the south by Torrey Pines Municipal Golf Course and on the north by the city of Del Mar. The reserve was designated a National Natural Landmark in 1977.

The reserve consists of a plateau with cliffs that overlook Torrey Pines State Beach, and a lagoon that is vital to migrating seabirds. Many different kinds of wildlife and flora are found within the reserve, including bobcats, foxes, skunks, raccoons, coyotes, rabbits, cacti, coastal chapparal, and the rare Torrey pine. The eight miles of trails within the park offers an attraction for hikers and beach-goers (guided nature walks take place on weekends and holidays), and a small museum sits at the top, as well as the Torrey Pines Lodge, a hotel and tour station. From the cliffs or many places along the beach, it is possible to see La Jolla to the south and Del Mar to the north. During whale migrations, it is sometimes possible to see whales from the cliffs. At the southern end of the beach is a large rock that projects into the ocean, called Flat Rock. South of this rock is San Diego's unofficial nude beach, Black's Beach.^{[citation needed]}