With roots in mining and railroads, this affluent town offers an updated taste of the Old West. It boasts an historic downtown area, 265 acres of parks, and 44 miles of trails. Castle Rock, easily accessible by Interstate 25, is home to the Outlets at Castle Rock (the largest open-air outlet center in the State) and is the seat of Douglas County. The town encompasses 33 square miles and sits in the East Plum Creek Valley at the base of the Rocky Mountains at an elevation of 6,202 feet. Learn more by visiting our Community Resource site www.VisitCastleRock.org.