Meadowood Special Recreation Management Area on Mason Neck in southern Fairfax County, Virginia.

Meadowood offers six miles of hiking and horseback riding trails including a universally accessible trail to Hidden Pond, two fishing ponds, 800 acres of forest and meadows, environmental education programs, horse boarding stable, geocaching, picknicking and bird watching.

Douglas Point Recreation Area in Charles County, Maryland

Douglas Point offers 3 miles of trails for hiking, horse riding, hunting, and mountain biking, 548 acres of hardwood forest and marshes, picnicking, Potomac River shoreline, universally accessible historical interpretative walk and hunting blind.  Potomac Heritage National Scenic Trail segment and water trail stop.