National Parks near Grimms Trail, Dauphin County, Pennsylvania Grimms Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Grimms Trail, Dauphin County, Pennsylvania Nearest metro area is Sunbury, Pennsylvania Click here for more outdoors activities near Sunbury, Pennsylvania General Camping Information List of nearby National Parks: Catoctin Mountain Park, Thurmont - MD, 67.1 miles away Greenbelt Park, Greenbelt - MD, 80.4 miles away Glen Echo Park, McLean - VA, 85.5 miles away Great Falls Park, McLean - VA, 88.6 miles away Wolf Trap Farm Park, Vienna - VA, 90.6 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Pennsylvania Outdoors Index