The Northwest Branch Saint John River (
French: ''Décharge du Lac Frontière'') is a
[U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data]
The National Map
accessed June 22, 2011 river primarily in
Aroostook County, Maine
Aroostook County ( ; ) is the northernmost County (United States), county in the U.S. state of Maine. It is located along the Canada–United States border. As of the 2020 United States census, 2020 census, the population was 67,105. The county ...
, USA. Its origin () is
Frontier Lake (Quebec-Maine) in
Quebec
Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...
,
Canada
Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
. After crossing the
Canada–United States border
The international border between Canada and the United States is the longest in the world by total length. The boundary (including boundaries in the Great Lakes, Atlantic, and Pacific coasts) is long. The land border has two sections: Canada' ...
, the Northwest Branch runs south close to the border until it picks up its
tributary
A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...
, the
Daaquam River, which also flows out of Canada.
The Northwest Branch then runs generally eastward to its
confluence
In geography, a confluence (also ''conflux'') occurs where two or more watercourses join to form a single channel (geography), channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main ...
with the
Southwest Branch to form the
Saint John River.
Has current flowing in:
*
Montmagny Regional County Municipality (RCM): municipality of
Lac-Frontière, Quebec;
*
Aroostook County
Aroostook County ( ; ) is the northernmost county in the U.S. state of Maine. It is located along the Canada–United States border. As of the 2020 census, the population was 67,105. The county seat is Houlton, with offices in Caribou and Fo ...
: (township T11 R17 WELS), in the state of
Maine
Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...
;
*
Somerset County, Maine
Somerset County is a county in the U.S. state of Maine, United States. As of the 2020 census, its population was 50,477. Its county seat is Skowhegan.
History
Somerset County was established on March 1, 1809from portions of Kennebec Coun ...
: (township T10 R17 WELS), in the state of
Maine
Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...
.
On the Canadian side, the
road 283 runs along the Canada-US border on and crosses the "Northwest Branch Saint John River" at the South East side of the
Frontier Lake (Quebec-Maine).
On the US side, a road from
Frontier Lake (Quebec-Maine) moves Eastward through the mountains. In addition, a road runs on the North bank on a river segment, downstream of the confluence of the
Daaquam River and serves the township T11 R17 WELS in the
North Maine Woods
The North Maine Woods is the northern geographic area of the state of Maine in the United States. The thinly populated region is overseen by a combination of private individual and private industrial owners and state government agencies, and is di ...
.
Geography
The river segment of between the bridge of the
road 283 and the Canada-US border is considered an extension of
Frontier Lake (Quebec-Maine). Consequently, the "Northwest Branch Saint John River" officially rises at the US border and not at the mouth of Frontière Lake in the municipality of
Lac-Frontière, Quebec.
This source is located at Southeast of Lac Etchemin and Northeast of the Canada-US border.
From its source, the "Northwest Branch Saint John River" flows on of which in
Quebec
Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...
and in the
Maine
Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...
:
Higher courses of Northwest Branch Saint John River (segment of in
Quebec
Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...
)
* to the South in the municipality of
Lac-Frontière, Quebec, to the Canada-US border;
Intermediate Course of the Northwest Branch Saint John River (segment of in
Maine
Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...
, up to the confluence of the
Daaquam River)
* to the Southeast, up to the limit of the township T12 R17 WELS;
* to the South and the Southwest, up to the confluence of the
Otter River (Northwest Branch Saint John River) (from the West), located in the township T11 R17 WELS;
* to the Southeast, up to the confluence of the
Daaquam River (from West);
Lower course of the Northwest Branch Saint John River (segment of downstream of the confluence of the
Daaquam River)
* Eastward up to Bean Creek (from the North);
* to Southeast, up to Oak Brook (from the North);
* Southward forming a curve to the East, up to the boundary between Bellechasse Township and the Township of St. John West, to the limit of
Somerset County, Maine
Somerset County is a county in the U.S. state of Maine, United States. As of the 2020 census, its population was 50,477. Its county seat is Skowhegan.
History
Somerset County was established on March 1, 1809from portions of Kennebec Coun ...
;
* to Southeast in the township of T10 R17 WELS
Somerset County, Maine
Somerset County is a county in the U.S. state of Maine, United States. As of the 2020 census, its population was 50,477. Its county seat is Skowhegan.
History
Somerset County was established on March 1, 1809from portions of Kennebec Coun ...
, up to the confluence of the river
[Segments of the river measured from the Atlas of Canada (posted on Internet), Ministry of Natural Resources Canada]
"Northwest Branch Saint John River" flows on the Southwest bank of the
Saint John River. This confluence is common with that of the
Southwest Branch Saint John River
The Southwest Branch Saint John River () is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed June 22, 2011 river in Maine and Quebec. The branch originates in "Little Saint John Lake" () ...
(coming from South).
From the confluence of the Northwest Branch Saint-Jean River, the
Saint John River flows Eastward and Northeast through
Maine
Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...
, then East and Southeast through
New Brunswick
New Brunswick is a Provinces and Territories of Canada, province of Canada, bordering Quebec to the north, Nova Scotia to the east, the Gulf of Saint Lawrence to the northeast, the Bay of Fundy to the southeast, and the U.S. state of Maine to ...
. Finally, the current flows on the North bank of the
Bay of Fundy
The Bay of Fundy () is a bay between the Canadian provinces of New Brunswick and Nova Scotia, with a small portion touching the U.S. state of Maine. It is an arm of the Gulf of Maine. Its tidal range is the highest in the world.
The bay was ...
which opens to the Southwest on the
Atlantic Ocean
The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...
.
See also
*
List of rivers of Maine
List of rivers in Maine these are the rivers in Maine
Saint John River
Note: Higher part of Saint John River is recuperating water from tributaries of Southeast Quebec
Left bank of Saint John River (Maine)
* Saint John River
** Southwest Branc ...
*
List of rivers of Quebec
This is a list of rivers of Quebec. Quebec has about:
*One million lakes, of which 62279 have a toponymic designation (a name), plus 218 artificial lakes;
*15228 watercourses with an official toponymic designation, including 12094 streams and 313 ...
References
*
Maine Streamflow Data from the USGSMaine Watershed Data From Environmental Protection Agency
{{DEFAULTSORT:Saint-Jean Nord-Ouest, riviere
Montmagny Regional County Municipality
Rivers of Chaudière-Appalaches
Tributaries of the Saint John River (Bay of Fundy)
Rivers of Aroostook County, Maine
Rivers of Somerset County, Maine
North Maine Woods