Where is the st lawrence river located?

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. read more

The St. Lawrence River begins on Lake Ontario in Canada and flows for 744 miles until it reaches the Gulf of St. Lawrence. Being one of the longest rivers in North America, the river provides outflow for all of the Great Lakes. read more

Although the official seaway consists of only this stretch and the Welland Canal (connecting Lakes Ontario and Erie), the entire Great Lakes–St. Lawrence system, with 9,500 miles of navigable waterways, has come to be known as the St. Lawrence Seaway. read more