The Ottawa River (French: Rivière des Outaouais, Algonquin: Kichi-Sìbì/Kitchissippi) 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.

Jan 25, 2025 · Ottawa River, river in east-central Canada, the chief tributary of the St. Lawrence River. It rises in the Laurentian Plateau of western Quebec and flows swiftly westward to Lake Timiskaming and then southeastward, forming for most of its course the Quebec– Ontario provincial border before it joins the St. Lawrence west of Montreal .

Dec 20, 2006 · The Ottawa River is Canada’s eighth largest river and the chief tributary of the St. Lawrence. Beginning in the Laurentian Mountains, it flows west before turning southeast to form a portion of the border between Ontario and Quebec.

The Ottawa River starts at Lake Capimitchigama in Quebec. It flows west to Lake Timiskaming, where it begins to define the border between Ontario and Quebec. From Lake Timiskaming the river flows southeast to Ottawa and Gatineau where it tumbles over the Chaudière Falls.

Feb 4, 2025 · Ottawa River Regulation Planning Board. The Planning Board was established to ensure integrated management of the principal reservoirs of the Ottawa River Basin: to reduce flood and drought impacts along the Ottawa River and its tributaries, all the way down to the Montreal Region; while maintaining beneficial water uses in the basin.

From this expansive reservoir flow rivers of immense ecological and economic importance: the St Lawrence, the Saguenay, the Nelson, the Eastmain, the Churchill and the Ottawa. The Ottawa River cradles the natural and cultural heart of western Quebec and eastern Ontario.

The Ottawa River (French: Rivière des Outaouais, Algonquin: Kichi-Sìbì/Kitchissippi) 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.

The river flows through rural areas and small towns in the Upper and Lower Ottawa Valleys, and passes through the urban setting of Ottawa, Ontario. Though tamed by multiple hydroelectric dams, the river has many interesting natural features, including underwater caves found at …

The Ottawa River is the second largest river in eastern Canada. It flows through east-central Canada for 790 miles (1,271 kilometers). The river is the chief tributary of the…

From its source east of the Dozois Reservoir to its confluence with the St. Lawrence River, the Ottawa River has a length of more than 1,130 kilometres. For most of its length, it forms the boundary between the provinces of Ontario and Québec.