National Parks near Callen Run Trail, Jefferson County, Pennsylvania Callen Run Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Callen Run Trail, Jefferson County, Pennsylvania Nearest metro area is St. Marys, Pennsylvania Click here for more outdoors activities near St. Marys, Pennsylvania General Camping Information List of nearby National Parks: Appalachian National Scenic Trail, Harpers Ferry - WV, 132.5 miles away Potomac Heritage National Scenic Trail, McLean - VA, 132.5 miles away Catoctin Mountain Park, Thurmont - MD, 139.8 miles away Shenandoah National Park, Luray - VA, 143.4 miles away Wolf Trap Farm Park, Vienna - VA, 172.2 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Pennsylvania Outdoors Index