The Lake Somerville State Park Complex consists of three units. The Birch Creek Unit is on the north shore of the lake and Nails Creek Unit is on the south shore. The Somerville Wildlife Management Area consists of 3180 acres in Burleston and Lee counties.
Somerville Lake was constructed by the U.S. Army Corps of Engineers. Deliberate impoundment of the water was begun in 1967. The state park complex was leased from the federal government and opened in 1970.
There is a multitude of recreational opportunities, including picnicking, camping, fishing, boating, and horseback riding.