National Parks near Washington Trail, Middlesex County, Connecticut Washington Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Washington Trail, Middlesex County, Connecticut Nearest metro area is New Haven-Milford, Connecticut Click here for more outdoors activities near New Haven-Milford, Connecticut General Camping Information List of nearby National Parks: Fire Island National Seashore, Patchogue - NY, 36.9 miles away Quinebaug & Shetucket Rivers Valley National Heritage Corridor, Putnam - CT, 63.8 miles away Blackstone River Valley National Heritage Corridor, Woonsocket - RI, 89.5 miles away Gateway National Recreation Area, Brooklyn - NY, 103.4 miles away Boston Harbor Islands National Recreation Area, Boston - MA, 125.1 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Connecticut Outdoors Index