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 of the Red River Valley, a flood plain with an extremely flat topography. It is on the eastern edge of the Canadian Prairies in Western Canada and is known as the "Gateway to the West". Winnipeg is bordered by tallgrass prairie to the west and south and the aspen parkland to the northeast, although most of the native prairie grasses have been removed for agriculture and urbanization. It is relatively close to many large Canadian Shield lakes and parks, as well as Lake Winnipeg (the Earth's 11th largest freshwater lake). Winnipeg has North America's largest extant mature urban elm forest.