Ottawa River

Ottawa River P199, CC BY-SA 4.0

Major river in Ontario and Quebec, Canada

The Ottawa River is a river in the Canadian provinces of Ontario and Quebec. It is named after the Algonquin word "to trade", as it was the major trade route of Eastern Canada at the time. For most of its length, it defines the border between these two provinces. It is a major tributary of the St. Lawrence River and the longest river in Quebec.

Also known as...Rivière des Outaouais, Riviere des Outaouais, Kichi-Sìbì, and Kitchissippi
Spring floods hit Canada

Communities in Ontario and Quebec are battling severe spring floods as rising river levels prompt emergency declarations.