National Parks near National Merchant Trail, Knox County, Maine National Merchant Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about National Merchant Trail, Knox County, Maine Nearest metro area is Rockland, Maine Click here for more outdoors activities near Rockland, Maine General Camping Information List of nearby National Parks: Acadia National Park, Bar Harbor - ME, 33.7 miles away Maine Acadian Culture, Bar Harbor - ME, 33.7 miles away Roosevelt Campobello International Park, Lubec - ME, 120.3 miles away Cape Cod National Seashore, Wellfleet - MA, 145.5 miles away Boston Harbor Islands National Recreation Area, Boston - MA, 187 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Maine Outdoors Index