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  1. St. Lawrence River - Wikipedia

    Its waters flow in a northeasterly direction from Lake Ontario to the Gulf of St. Lawrence, traversing Ontario and Quebec in Canada and New York in the United States. A portion of the river demarcates …

  2. Saint Lawrence River | Description, Canada, Importance, & Facts ...

    Jan 22, 2026 · Saint Lawrence River, hydrographic system of east-central North America. It starts at the outflow of Lake Ontario and leads into the Atlantic Ocean in the extreme east of Canada, opening …

  3. St. Lawrence River - The Canadian Encyclopedia

    Feb 7, 2006 · The St. Lawrence River is a grand river and estuary, which together with the Great Lakes forms a hydrographic system that penetrates 3,058 km into North America. The river proper, about …

  4. St. Lawrence River - WorldAtlas

    Jul 17, 2021 · The Saint Lawrence River is one of the largest hydraulic systems in the world. It is located along the Southeast of mainland Canada, with its outflow starting in Lake Ontario.

  5. St. Lawrence River Map | Atlas

    The St. Lawrence River is a major waterway in North America, stretching approximately 1,197 kilometers (744 miles) from Lake Ontario to the Atlantic Ocean. It forms part of the border between …

  6. Saint Lawrence River - New World Encyclopedia

    Beginning at the North River in the U.S. state of Minnesota (which flows into Lake Superior), the system finally flows into the Atlantic Ocean via Cabot Strait in the extreme east of Canada. The St. Lawrence …

  7. 5 ways to experience the St. Lawrence River | Destination Canada

    Check out five different ways to enjoy the St. Lawrence during your trip. Many people aren't aware that cruise ships can make their way up the St. Lawrence to Quebec City. Over 500,000 passengers …

  8. St. Lawrence River - Great Lakes Guide

    The St. Lawrence River watershed is home to a rich abundance of plant and animal species and supports a population of approximately 30 million Americans and 15 million Canadians.

  9. Explore the Saint Lawrence River: Experience nature and history

    Jan 9, 2024 · Originally used by indigenous peoples as a trade route, the River provided a vital connection between the inland regions and the Atlantic coast. This waterway was not only a …

  10. St. Lawrence River and Seaway - Great Lakes Commission

    The St. Lawrence River drops 226 feet between Lake Ontario and Montreal, Canada. To allow vessels to pass through the river and in and out of the Great Lakes, the St. Lawrence Seaway, a massive …