Latitude and longitude of Blackwater River (Massachusetts – New Hampshire)
- Nearby Newburyport, United States
Satellite map of Blackwater River (Massachusetts – New Hampshire)
The Blackwater River is a 3.1-mile-long (5.0 km) tidal inlet in northeastern Massachusetts and southeastern New Hampshire in the United States.
Latitude: 42° 53' 16.80" N
Longitude: -70° 49' 40.80" W