Hudson Bay watershed

Map of outline of Canada's Hudson Bay watershed.

The Hudson Bay watershed is the largest ocean watershed in Canada (3.8 million km2 ) and extends over five Canadian provinces from Alberta to Quebec, and also over the Northwest Territories and Nunavut. Amongst the major streams, we find the Nelson, Saskatchewan and Churchill rivers in Manitoba, and also Lake Winnipeg, Lake Manitoba and Lake of the Woods. The major cities are Edmonton, Calgary, Saskatoon, Regina and Winnipeg.

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