St. Lawrence River

The St. Lawrence River flows about 1300 km (about 800 mi) from Lake Ontario to the Gulf of St. Lawrence. The river forms the border between New York and Ontario and between Ontario and Québec before finishing its course entirely in Québec. The most important commercial river in Canada, the St. Lawrence is part of the St. Lawrence Seaway, a system of waterways, locks, and dams that facilitates the flow of cargo between the Great Lakes and the Atlantic Ocean.

Appears in these articles:

Québec (province); Ontario (province, Canada); St. Lawrence (river)

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