Crow's Nest Natural Area Preserve is a large wilderness area located on the southern border of Stafford County, Virginia, United States, between Potomac Creek and Accokeek Creek. The greater portion of the Crow's Nest Peninsula is approximately 3,800 acres (15 km2) and lies within the coastal plain of Virginia. About 3,115 acres (12.61 km2) of the peninsula is protected as part of the Virginia Natural Area Preserve System.