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What's New?

New stewardship programs aim to teach students how to care for Great Lakes
Upper Peninsula Second Wave (10/15)
The Upper Great Lakes Stewardship Institute is the newest among several regional hubs across Michigan with the goal to educate students on good environmental stewardship for the Great Lakes and their watersheds.

TEACH Calendar of Events
What's going on in your neighborhood this month? Meet other people and learn together at recreational and educational events! Our new dynamic calendar is updated daily with current educational events.
TEACH Questions & Answers

What connects the Great Lakes together and how are the lakes used?
from Joe in Ohio
 
Great Lakes-St. Lawrence River System Rivers, lakes and straits connect the five Great Lakes together, creating one of the largest freshwater bodies in the world!

  • St. Mary's River connects Lake Superior to Lake Huron
  • Lakes Huron and Michigan are hydrologically one lake, connected by the Straits of Mackinac
  • Lake Huron connects to Lake Erie through the St. Clair River, Lake St. Clair and the Detroit River
  • Lake Erie connects to Lake Ontario via the Niagara River (and Niagara Falls)
  • and, Lake Ontario connects to the Atlantic Ocean by way of the St. Lawrence River and Seaway

The Great Lakes are used for a variety of purposes, such as recreation, wildlife habitat, drinking water and irrigation. However, the connecting channels, along with a complex system of locks and canals, makes the Great Lakes fully navigable for freighters coming from the Atlantic Ocean. A freighter can enter the Great Lakes-St. Lawrence System from the Atlantic Ocean and travel all of the way to Thunder Bay, Ontario -- over 2,000 miles away!
 
Thank you for your question!
 

Answered on February 1, 2001

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