Great Lakes Elevation Map

The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes spanning the Canada–United States border. The five lakes are Superior, Michigan, Huron, Erie, and Ontario. The Great Lakes Waterway enables modern travel and shipping by water among the lakes. The lakes connect to t…
The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes spanning the Canada–United States border. The five lakes are Superior, Michigan, Huron, Erie, and Ontario. The Great Lakes Waterway enables modern travel and shipping by water among the lakes. The lakes connect to the Atlantic Ocean via the Saint Lawrence River, and to the Mississippi River basin through the Illinois Waterway.
  • Location: Eastern North America
  • Part of: Great Lakes Basin
  • Primary inflows: Past: precipitation and meltwater · Now: rivers, precipitation, and groundwater springs
  • Primary outflows: Evaporation, St. Lawrence River to the Atlantic Ocean
  • Basin countries: Canada, United States
  • Surface area: 94,250 square miles (244,106 km²)
  • Average depth: 60–480 ft (18–146 m) depending on the lakes
Data from: en.wikipedia.org