The park was established in 1956 after the creation of the Folsom Dam. Folsom Lake is the ninth largest reservoir in California and a major recreational asset for the Sacramento area. It consists of two reservoirs: Folsom and Natoma. About 2 million people visit the Folsom Lake State Recreation Area every year. Generally, Folsom Lake State Recreation Area experiences hot summers and mild winters. Campgrounds in the area consist of the Peninsula Campground, Beals Point Campground, Negro Bar, and Avery’s Pond.