Calumet River

Calumet River
Calumet River
	The Calumet River, with the Chicago Skyway traversing it
Physical characteristics
Source
• location	Confluence of the Little Calumet and the Grand Calumet, Chicago
• coordinates	41°38′38″N 87°33′39″W / 41.6438889°N 87.5608333°W
• elevation	581 ft (177 m)
Mouth
• location	Confluence with Lake Michigan, Chicago
• coordinates	41°43′58″N 87°31′46″W / 41.7327778°N 87.5294444°W
• elevation	574 ft (175 m)
Basin features
Progression	Calumet River → Lake Michigan → Great Lakes → Saint Lawrence Seaway → Gulf of Saint Lawrence
GNIS ID	405379

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The Calumet River is a system of heavily industrialized rivers and canals in the region between the south side of Chicago, Illinois, and the city of Gary, Indiana. Historically, the Little Calumet River and the Grand Calumet River were one, the former flowing west from Indiana into Illinois, then turning back east to its mouth at Lake Michigan at Marquette Park in Gary.^[1] Now the system is part of the Chicago Area Waterway System and through the use of locks flows away from Lake Michigan to the Cal-Sag Channel.

^ Little Calumet River Watershed Management Plan (PDF) (Report). Indiana Department of Environmental Management. 2008. Archived from the original (PDF) on April 29, 2017. Retrieved September 3, 2017.

[Plan-1] Little Calumet River Watershed Management Plan (PDF) (Report). Indiana Department of Environmental Management. 2008. Archived from the original (PDF) on April 29, 2017. Retrieved September 3, 2017.

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