National Parks near Gravel Lick Trail, Potter County, Pennsylvania Gravel Lick Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Gravel Lick Trail, Potter County, Pennsylvania Nearest metro area is Lock Haven, Pennsylvania Click here for more outdoors activities near Lock Haven, Pennsylvania General Camping Information List of nearby National Parks: Catoctin Mountain Park, Thurmont - MD, 106.4 miles away Appalachian National Scenic Trail, Harpers Ferry - WV, 115 miles away Potomac Heritage National Scenic Trail, McLean - VA, 115 miles away Wolf Trap Farm Park, Vienna - VA, 143 miles away Glen Echo Park, McLean - VA, 144.1 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Pennsylvania Outdoors Index