Westmoreland State Park lies within Westmoreland County, from which it takes its name. The park extends about one and a half miles along the Potomac River, and its 1, 299 acres neighbor the former homes of both George Washington and Robert E. Lee.
Established in 1936, Prince William Forest Park, Located in Prince William County, Virginia, is the largest protected natural area in the Washington, D.C., metropolitan region at over 14, 000 acres.