Great Lakes, a chain of large and deep freshwater lakes in North America. The 5 Great Lakes – Superior, Huron, Michigan, Erie, and Ontario spread a total surface area of 94,250 sq mi (244,106 km2) and are all united by various lakes, rivers, and other watercourses, making them the most extensive freshwater system on the planet. The Great Lakes hold 21% of the global’s surface freshwater by volume or 84% of the surface freshwater in North America.
The bathymetric map below, designed by Alex Varlamov, helps understand the size and depth of the Great Lakes.
The visualization below clearly shows the depths of the Great Lakes. Lake Superior is the largest and deepest of the Great Lakes and ranks as the second largest lake in the world by area.
Great Lakes ranked by the average depth
Lake Superior: 483 ft (147 m) – Deepest Point is 1,333 ft (406 m)
Lake Ontario: 283 ft (86 m) – Deepest Point: 804 ft (245 m)
Lake Michigan: 279 ft (85 m) – Deepest Point: 925 ft (282 m)
Lake Huron: 195 ft (59 m) – Deepest Point: 748 ft (228 m)
Lake Erie: 62 ft (19 m) – Deepest Point: 210 ft (64 m)
Great lakes profile compared to profiles of other lakes
– Lakes and oceans depth comparison