La Jolla is a hilly seaside community within the city of San Diego occupying 7 miles of curving coastline along the Pacific Ocean within the northern city limits. It is surrounded on three sides by ocean bluffs and beaches. It is an area of mixed geology, including sandy beaches and rocky shorelines. The climate is mild, with an average daily temperature of 70.5 °F. La Jolla is home to a variety of lodging, dining, shopping, software, finance, real estate, bioengineering, medical practice and scientific research businesses. The University of Califonia, San Diego (UCSD) is located in La Jolla, as are the Salk Institute, Scripps Institution of Oceanography, Scripps Research Institute, and the headquarters of National University. La Jolla encompasses the neighborhoods of Bird Rock, Windansea Beach, the commercial center known as the Village of La Jolla, La Jolla Shores, La Jolla Farms, Muirlands, Torrey Pines, and Mount Soledad to name a few. Popular beaches and coastal access points listed here from north to south, are: Torrey Pines State Reserve, Black's Beach (a de facto nude beach), Scripps, near Scripps Institution of Oceanography, La Jolla Shores, La Jolla Beach and Tennis Club, La Jolla Cove, Boomers Beach, Shell Beach, Children's Pool Beach, Wipeout Beach, Horseshoes, Windansea Beach and Bird Rock. Downtown La Jolla is noted for jewelry stores, boutiques, upmarket restaurants and hotels. Prospect Street and Girard Avenue are also shopping and dining district.