Geography of Canada

Drainage basins of Canada

Canada holds vast reserves of water: its rivers discharge nearly 9% of the world's renewable water supply,^[2] it contains a quarter of the world's wetlands, and it has the third largest amount of glaciers (after Antarctica and Greenland). Due to extensive glaciation, Canada hosts more than two million lakes: of those that are entirely within Canada, more than 31,000 are between 3 and 100 square kilometres (1.2 & 38.6 mi²) in area, while 563 are larger than 100 km².^[3]

There are five main watersheds in Canada: the Arctic, Atlantic, Pacific, Hudson and Gulf of Mexico watersheds.

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