description Ottawa River Overview
The Ottawa River is a major waterway in Canada, spanning approximately 1,271 kilometers through the provinces of Quebec and Ontario. For much of its length, the river serves as the defining natural boundary between these two provinces. It flows past the national capital region of Ottawa-Gatineau before eventually joining the St. Lawrence River.
Historically, the river was a crucial transportation route for the fur trade and the logging industry, and today it remains an important source of hydroelectric power and municipal water for the region.
help Ottawa River FAQ
Which provinces does the Ottawa River separate?
For much of its course, the Ottawa River forms the natural boundary between Ontario and Quebec. It passes through the national capital region around Ottawa and Gatineau.
How long is the Ottawa River?
The Ottawa River is approximately 1,271 kilometers long. It is one of the major rivers of eastern Canada.
Where does the Ottawa River flow?
The river flows through or along Ontario and Quebec before joining the St. Lawrence River near Montreal. Its drainage basin includes large areas of the Canadian Shield.
Why is the Ottawa River important to Canada's capital region?
The river separates Ottawa, Ontario, from Gatineau, Quebec, and is crossed by several bridges. It shaped the region's transport, settlement, logging, and political geography.
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