The Blackwater River is a
tidal inlet in northeastern
Massachusetts
Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
and southeastern
New Hampshire
New Hampshire is a state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec to the nor ...
in the
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...
.
New Hampshire GRANIT state geographic information system
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The river forms in a salt marsh
A salt marsh or saltmarsh, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides. It is domin ...
in the northeastern corner of Salisbury, Massachusetts
Salisbury is a small coastal beach town and summer tourist destination in Essex County, Massachusetts, United States. The community is a popular summer resort beach town situated on the Atlantic Ocean, north of Boston on the New Hampshire border. ...
, by the convergence of the Little River and Dead Creek. Heading north, the river quickly enters Seabrook, New Hampshire
Seabrook is a town in Rockingham County, New Hampshire, United States. The population was 8,401 at the 2020 census. Located at the southern end of the coast of New Hampshire on the border with Massachusetts, Seabrook is noted as the location of th ...
and continues to flow through salt marsh until it reaches Hampton Harbor, northwest of Seabrook Beach, where it joins the Hampton River.
See also
* List of rivers of Massachusetts
*List of rivers of New Hampshire
This is a list of rivers and significant streams in the U.S. state of New Hampshire.
All watercourses named "River" (freshwater or tidal) are listed here, as well as other streams which are either subject to thNew Hampshire Comprehensive Shorelan ...
References
Rivers of Essex County, Massachusetts
Rivers of New Hampshire
Estuaries of Massachusetts
Rivers of Massachusetts
Rivers of Rockingham County, New Hampshire
Bodies of water of Essex County, Massachusetts
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