Forest (also known as Forest City) is a small unincorporated community in Sierra County, California, United States. Today, the town is mostly abandoned, although its population swelled to thousands during the California Gold Rush. Today, old buildings still line Main Street, such as a general store, a dance hall, a school house, and a church. The town is located at 4,489 feet (1,368 m) in elevation. Rich Brooks, the former Kentucky Wildcats football head coach is a notable native of Forest, California.