Saint Lawrence River (in French: fleuve Saint-Laurent; Kahnawáˀkye in Tuscarora, Kaniatarowanenneh meaning big waterway in Mohawk) is a large river flowing approximately from southwest to northeast in the middle latitudes of North America, connecting the Great Lakes with the Atlantic Ocean. It is the primary drainage of the Great Lakes Basin. It traverses the Canadian provinces of Quebec and Ontario and forms part of the international boundary between Ontario, Canada, and the state New York of the U.S..
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Saint Lawrence River (in French: fleuve Saint-Laurent; Kahnawáˀkye in Tuscarora, Kaniatarowanenneh meaning big waterway in Mohawk) is a large river flowing approximately from southwest to northeast in the middle latitudes of North America, connecting the Great Lakes with the Atlantic Ocean. It is the primary drainage of the Great Lakes Basin. It traverses the Canadian provinces of Quebec and Ontario and forms part of the international boundary between Ontario, Canada, and the state New York of the U.S..
Geography
The Saint Lawrence River originates at the outflow of Lake Ontario between Kingston, Ontario on the north bank, Wolfe Island in mid-stream, and Cape Vincent, New York.
Lake Champlain and the Ottawa, Richelieu, and Saguenay rivers drain into the St. Lawrence.
The Saint 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 Iapetus Ocean. The faults in the area are rift related, which is called the Saint Lawrence rift system.
The Saint Lawrence Valley is a physiographic province of the larger Appalachian division, containing the Champlain and Northern physiographic section. image:Pont de l'ile 2.JPG
History
The St. Lawrence estuary was visited by many navigators (such as John Cabot and Jacques Cartier) and Basque fishermen soon after the discovery of America (or perhaps even before, see Pre-Columbian trans-oceanic contact#Late contact claims). But the first known European explorer to sail the inland part of the St. Lawrence was Jacques Cartier, during his second trip to Canada in 1535, with the help of Iroquoian chief Donnacona's two sons. As he arrived in the estuary on St. Lawrence's feast day, Cartier accordingly named it the Gulf of St. Lawrence. The land along the river was inhabited at the time by the St. Lawrence Iroquoians. The St. Lawrence River is partly with the U.S. and as such is that country's sixth oldest surviving European place-name.
Because of the virtually impassable Lachine Rapids, the St. Lawrence was once continuously navigable only as far as Montreal. Opened in 1825, the Lachine Canal was the first to allow ships to pass the rapids. An extensive system of canals and locks, known as the Saint Lawrence Seaway, was officially opened on 26 June 1959 by Queen Elizabeth II (representing Canada) and President Dwight D. Eisenhower (representing the United States of America). The Seaway now permits ocean-going vessels to pass all the way to Lake Superior.
