Great Lakes

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The Great Lakes and their drainage basin

The video thumbnail image shows two hands holding zebra and quagga mussels, superimposed above a clear body of water. White question marks appear in the upper left corner.

Lake Michigan shoreline

St. Lawrence hydrographic system

For Students

Lake Michigan shoreline

Great Lakes summary

Great Lakes: Related Content

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Last Updated: Jun 08, 2025

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Wildfire Smoke Brings More Hazardous Air Quality to Great Lakes and Beyond • June 7, 2025, 8:29 AM ET (New York Times)

Photos and Videos

The Great Lakes and their drainage basin

Lake Michigan shoreline

St. Lawrence hydrographic system

The video thumbnail image shows two hands holding zebra and quagga mussels, superimposed above a clear body of water. White question marks appear in the upper left corner.

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Topics

Lake Tahoe Salton Sea Crater Lake Lake Superior Great Salt Lake Lake Erie Lake Michigan Lake Ontario Lake Mead Lake Champlain

water glass on white background. (drink; clear; clean water; liquid)

Water and its Varying Forms

Shallow staghorn water corals in fringing reef at low tide in Thailand. (coral reefs; endangered area; ocean habitat; sea habitat; coral reef)

Unknown Waters