Saint Lawrence River

St. Lawrence RiverSt Lawrence RiverSt. LawrenceSaint LawrenceSt. Lawrence ValleySaint Lawrence ValleySt LawrenceSt. Lawrence River ValleySaint-Lawrence riverSt-Lawrence River
The Saint Lawrence River (Fleuve Saint-Laurent; ;, meaning "big waterway") is a large river in the middle latitudes of North America.wikipedia
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Great Lakes

North American Great LakesGreat Lakethe Great Lakes
The Saint Lawrence River flows in a roughly north-easterly direction, connecting the Great Lakes with the Atlantic Ocean and forming the primary drainage outflow of the Great Lakes Basin.
The Great Lakes (les Grands-Lacs), also called the Laurentian Great Lakes and the Great Lakes of North America, are a series of interconnected freshwater lakes primarily in the upper mid-east region of North America, on the Canada–United States border, which connect to the Atlantic Ocean through the Saint Lawrence River.

Quebec

QuébecProvince of QuebecQC
It traverses the Canadian provinces of Quebec and Ontario, and is part of the international boundary between Ontario, Canada, and the U.S. state of New York. The basin covers parts of Ontario and Quebec in Canada, parts of Illinois, Indiana, Minnesota, New York, Ohio, Pennsylvania, Vermont, and Wisconsin, and nearly the entirety of the state of Michigan in the United States.
Most inhabitants live in urban areas near the Saint Lawrence River between Montreal and Quebec City, the capital.

Ontario

Ontario, CanadaONProvince of Ontario
It traverses the Canadian provinces of Quebec and Ontario, and is part of the international boundary between Ontario, Canada, and the U.S. state of New York. The basin covers parts of Ontario and Quebec in Canada, parts of Illinois, Indiana, Minnesota, New York, Ohio, Pennsylvania, Vermont, and Wisconsin, and nearly the entirety of the state of Michigan in the United States.
Almost all of Ontario's 2700 km border with the United States follows inland waterways: from the westerly Lake of the Woods, eastward along the major rivers and lakes of the Great Lakes/Saint Lawrence River drainage system.

Saint Lawrence Seaway

St. Lawrence SeawaySt Lawrence SeawaySeaway
This river provides the basis for the commercial Saint Lawrence Seaway.
The seaway is named for the Saint Lawrence River, which flows from Lake Ontario to the Atlantic Ocean.

Brockville

Brockville, OntarioElizabethtownBrockville, ON
Today, the Saint Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Gananoque, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivières, and Quebec City before draining into the Gulf of Saint Lawrence, the largest estuary in the world.
Known as the "City of the 1000 Islands", Brockville is located on the north shore of the Saint Lawrence River, about halfway between Kingston to the west and Cornwall to the east.

Lake Ontario

OntariolakeLakes Ontario
Today, the Saint Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Gananoque, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivières, and Quebec City before draining into the Gulf of Saint Lawrence, the largest estuary in the world.
The last in the Great Lakes chain, Lake Ontario serves as the outlet to the Atlantic Ocean via the Saint Lawrence River.

Cornwall, Ontario

CornwallCornwall, ONCity of Cornwall
Today, the Saint Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Gananoque, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivières, and Quebec City before draining into the Gulf of Saint Lawrence, the largest estuary in the world.
Cornwall is Ontario's easternmost city, located on the Saint Lawrence River in the Quebec City–Windsor Corridor along Ontario Highway 401, and is the urban centre for surrounding communities, including Long Sault and Ingleside to the west, Mohawk Territory of Akwesasne to the south, St. Andrew's and Avonmore to the north, and Glen Walter, Martintown, Apple Hill, Williamstown, and Lancaster to the east.

Gananoque

Gananoque, OntarioGananoque, ONtown
Today, the Saint Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Gananoque, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivières, and Quebec City before draining into the Gulf of Saint Lawrence, the largest estuary in the world.
The town had a population of 5,194 year-round residents in the Canada 2011 Census, as well as summer residents sometimes referred to as "Islanders" because of the Thousand Islands in the Saint Lawrence River, Gananoque's most important tourist attraction.

Ogdensburg, New York

OgdensburgOgdensburg, NYOgdensburgh
Today, the Saint Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Gananoque, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivières, and Quebec City before draining into the Gulf of Saint Lawrence, the largest estuary in the world.
The City of Ogdensburg is at the northern border of New York at the mouth of the Oswegatchie River on the south bank of the St. Lawrence River.

Canada–United States border

Canada–US borderCanadian borderInternational Boundary
It traverses the Canadian provinces of Quebec and Ontario, and is part of the international boundary between Ontario, Canada, and the U.S. state of New York.
The Saint Lawrence River and the Great Lakes became the boundary further west (between what is now Ontario and the United States).

Trois-Rivières

Trois-Rivières, QuebecTrois-RivieresThree Rivers
Today, the Saint Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Gananoque, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivières, and Quebec City before draining into the Gulf of Saint Lawrence, the largest estuary in the world.
Trois-Rivières (, ; "Three Rivers") is a city in the Mauricie administrative region of Quebec, Canada, at the confluence of the Saint-Maurice and Saint Lawrence rivers, on the north shore of the Saint Lawrence River across from the city of Bécancour.

Quebec City

QuebecQuebec City, QuebecQuébec City
Today, the Saint Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Gananoque, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivières, and Quebec City before draining into the Gulf of Saint Lawrence, the largest estuary in the world.
The Algonquian people had originally named the area Kébec, an Algonquin word meaning "where the river narrows", because the Saint Lawrence River narrows proximate to the promontory of Quebec and its Cape Diamant.

Île d'Orléans

Orléans IslandÎle d’OrléansIle d'Orleans
The estuary begins at the eastern tip of Île d'Orléans, just downstream from Quebec City.
Île d'Orléans (English: Island of Orleans) is located in the Saint Lawrence River about 5 km east of downtown Quebec City, Quebec, Canada.

Champlain Sea

With the draining of the Champlain Sea, due to a rebounding continent from the Last Glacial Maximum, the Saint Lawrence River was formed.
At the end of the last glacial period, while the rock was still depressed, the Saint Lawrence and Ottawa River valleys, as well as modern Lake Champlain, were below sea level and flooded with rising worldwide sea levels, once the ice no longer prevented the ocean from flowing into the region.

River

riverineriparianleft bank
The Saint Lawrence River (Fleuve Saint-Laurent; ;, meaning "big waterway") is a large river in the middle latitudes of North America.
As most rivers in France are known by their names only without the word rivière or fleuve (e.g. la Seine, not le fleuve Seine, even though the Seine is classed as a fleuve), one of the most prominent rivers in the Francophonie commonly known as fleuve is le fleuve Saint-Laurent (the Saint Lawrence River).

Great Lakes Basin

Great LakesGreat Lakes WatershedSt. Lawrence Divide
The Saint Lawrence River flows in a roughly north-easterly direction, connecting the Great Lakes with the Atlantic Ocean and forming the primary drainage outflow of the Great Lakes Basin.
It is generally considered to also include a small area around and beyond Wolfe Island, Ontario, at the east end of Lake Ontario, which does not directly drain into the Great Lakes, but into the Saint Lawrence River.

Montreal

Montreal, QuebecMontréalMontreal, Canada
Today, the Saint Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Gananoque, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivières, and Quebec City before draining into the Gulf of Saint Lawrence, the largest estuary in the world. The Saint Lawrence River includes Lake Saint-Louis south of Montreal, Lake Saint Francis at Salaberry-de-Valleyfield and Lac Saint-Pierre east of Montreal.
The city covers most of the Island of Montreal at the confluence of the Saint Lawrence and Ottawa Rivers.

New York (state)

New YorkNew York StateNY
It traverses the Canadian provinces of Quebec and Ontario, and is part of the international boundary between Ontario, Canada, and the U.S. state of New York. The basin covers parts of Ontario and Quebec in Canada, parts of Illinois, Indiana, Minnesota, New York, Ohio, Pennsylvania, Vermont, and Wisconsin, and nearly the entirety of the state of Michigan in the United States.
Lake George empties at its north end into Lake Champlain, whose northern end extends into Canada, where it drains into the Richelieu River and then ultimately the Saint Lawrence River.

Ohio

OHState of OhioOhio, USA
The basin covers parts of Ontario and Quebec in Canada, parts of Illinois, Indiana, Minnesota, New York, Ohio, Pennsylvania, Vermont, and Wisconsin, and nearly the entirety of the state of Michigan in the United States.
The rivers in the northern part of the state drain into the northern Atlantic Ocean via Lake Erie and the St. Lawrence River, and the rivers in the southern part of the state drain into the Gulf of Mexico via the Ohio River and then the Mississippi.

Lake Saint-Louis

Lac Saint-LouisLake Saint LouisLac St-Louis
The Saint Lawrence River includes Lake Saint-Louis south of Montreal, Lake Saint Francis at Salaberry-de-Valleyfield and Lac Saint-Pierre east of Montreal.
Lake Saint-Louis is a lake in southwestern Quebec, Canada, at the confluence of the Saint Lawrence and Ottawa Rivers.

Saguenay River

SaguenaySaguenay FjordCanadian river
The average discharge below the Saguenay River is 16800 m3/s.
It drains into the Saint Lawrence River.

Kingston, Ontario

KingstonKingston, ONKingston, Upper Canada
It encompasses four archipelagoes: the Thousand Islands chain near Alexandria Bay, New York and Kingston, Ontario; the Hochelaga Archipelago, including the Island of Montreal and Île Jésus (Laval); the Lake St. Pierre Archipelago (classified biosphere world reserve by the UNESCO in 2000) and the smaller Mingan Archipelago.
It is on the eastern end of Lake Ontario, at the beginning of the St. Lawrence River and at the mouth of the Cataraqui River (south end of the Rideau Canal).

Thousand Islands

1000 IslandsislandSagastaweka Island
It encompasses four archipelagoes: the Thousand Islands chain near Alexandria Bay, New York and Kingston, Ontario; the Hochelaga Archipelago, including the Island of Montreal and Île Jésus (Laval); the Lake St. Pierre Archipelago (classified biosphere world reserve by the UNESCO in 2000) and the smaller Mingan Archipelago.
The Thousand Islands (Mille-Îles) constitute an archipelago of 1,864 islands that straddles the Canada–US border in the Saint Lawrence River as it emerges from the northeast corner of Lake Ontario.

Salaberry-de-Valleyfield

ValleyfieldValleyfield, QuebecSalaberry-de-Valleyfield, Quebec
The Saint Lawrence River includes Lake Saint-Louis south of Montreal, Lake Saint Francis at Salaberry-de-Valleyfield and Lac Saint-Pierre east of Montreal.
Situated on Grande-Île, an island in the Saint Lawrence River, it is bordered at its western end by Lake Saint Francis, with the Saint Lawrence to the north and the Beauharnois Canal to its south.

Hochelaga Archipelago

Hochelaga
It encompasses four archipelagoes: the Thousand Islands chain near Alexandria Bay, New York and Kingston, Ontario; the Hochelaga Archipelago, including the Island of Montreal and Île Jésus (Laval); the Lake St. Pierre Archipelago (classified biosphere world reserve by the UNESCO in 2000) and the smaller Mingan Archipelago.
The Hochelaga Archipelago (Archipel d'Hochelaga), also known as the Montreal Islands, is a group of islands at the confluence of the Saint Lawrence and Ottawa rivers in the southwestern part of the province of Quebec, Canada.