Lake Winnipeg Lake Winnipeg Lake Winnipeg () is a very large, but relatively shallow lake in North America, in the province of Manitoba, Canada. Its southern end is about north of the city of Winnipeg. It is the largest lake within southern Canada's borders, and is part of the most undeveloped large watershed of southern Canada. Lake Winnipeg is Canada's sixth-largest freshwater lake, and the third-largest freshwater lake contained entirely within Canada, but it is relatively shallow (mean depth of ) excluding a narrow deep channel between the northern and southern basins. It is the eleventh-largest freshwater lake on Earth. The lake's
Winnipeg River interior, including one on the Rainy River. Competition ended in 1821 when the two companies merged and trade was diverted to York Factory on Hudson Bay. Trade was also diverted south as population grew on the United States side. The last major use of the route was by the Wolseley Expedition in 1870. After 1885 the Canadian Pacific Railway connected eastern and western Canada with a route north of Lake Superior. Trading posts on the route were: Winnipeg River The Winnipeg River is a Canadian river which flows roughly northwest from Lake of the Woods in the province of Ontario