National Parks near Appalachian National Scenic Trail, Washington County, Maryland Appalachian National Scenic Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Appalachian National Scenic Trail, Washington County, Maryland Nearest metro area is Hagerstown-Martinsburg, Maryland-West Virginia Click here for more outdoors activities near Hagerstown-Martinsburg, Maryland-West Virginia General Camping Information List of nearby National Parks: Appalachian National Scenic Trail, Harpers Ferry - WV, 7.5 miles away Potomac Heritage National Scenic Trail, McLean - VA, 7.5 miles away Catoctin Mountain Park, Thurmont - MD, 21.5 miles away Wolf Trap Farm Park, Vienna - VA, 36.1 miles away Great Falls Park, McLean - VA, 40.6 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Maryland Outdoors Index