11 Facts About St Lawrence River

St Lawrence River is a large river in the middle latitudes of North America, flowing from Lake Ontario in a roughly northeasterly direction into the Gulf of St Lawrence, connecting the Great Lakes to the North Atlantic Ocean and forming the primary drainage outflow of the Great Lakes Basin.

Originally known by a variety of names by local First Nations, the St Lawrence became known in French as le fleuve Saint-Laurent in 1604 by Samuel de Champlain.

Today, the St Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Gananoque, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivieres, and Quebec City before draining into the Gulf of St Lawrence, one of the largest estuaries in the world.

St Lawrence River includes Lake Saint-Louis south of Montreal, Lake Saint Francis at Salaberry-de-Valleyfield and Lac Saint-Pierre east of Montreal.

St Lawrence River is in a seismically active zone where fault reactivation is believed to occur along late Proterozoic to early Paleozoic normal faults related to the opening of the Iapetus Ocean.

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The St Lawrence River is partly within the U S and as such is that country's sixth oldest surviving European place-name.

The St Lawrence River served as the main route for European exploration of the North American interior, first pioneered by French explorer Samuel de Champlain.

In 1809, the first steamboat to ply its trade on the St Lawrence was built and operated by John Molson and associates, a scant two years after Fulton's steam-powered navigation of the Hudson River.

St Lawrence River's had a keel of 75 feet, and a length overall of 85 feet.

St Lawrence River passes through Lake Saint-Louis and Lake Saint-Pierre in Quebec.

St Lawrence River is at the heart of many Quebec novels, poems, and songs .