The Saint-Laurent River is a major waterway in Canada, flowing from Lake Ontario to the Gulf of St. Lawrence. It serves as a vital transportation route and is one of the longest rivers in North America, stretching approximately 1,197 kilometers (744 miles). The river is known for its rich biodiversity and supports various ecosystems along its banks. The Saint-Laurent River is also significant for its historical and cultural importance. It has been a crucial site for trade and exploration since the arrival of European settlers. Today, it continues to be a key resource for industries, tourism, and recreational activities in the region.