Lake Natoma is an intermediate lake along the American River, located between Folsom Dam and Nimbus Dam in Sacramento County, in the U.S. state of California. The lake is located within the Folsom Lake State Recreation Area. Lake Natoma includes the historic Negro Bar area in Folsom, the site of a gold rush era African-American mining camp. The Folsom Powerhouse State Historic Park overlooks Lake Natoma in the city of Folsom. It is a California State Historical site, preserving an early hydroelectric power station.