Illinois River

Peoria's flowing neighbor

The Illinois River is a major tributary of the Mississippi River, flowing approximately 273 miles through central Illinois.

It was historically a crucial waterway for Native American trade and later for European exploration and commerce in the American interior.

The river connects Lake Michigan to the Mississippi via a system of canals and remains an important route for barge traffic carrying grain and other commodities.

A separate, smaller Illinois River flows through Oklahoma and Arkansas into the Arkansas River.

Related

watershed · Native American tribes · Chicago · aquatic habitat · fishing spot · archaeological sites · invasive species · historic settlements · Lake Michigan · Great Lakes · bottomland · flood stage · water level · migratory birds · current · floodplain · Asian carp · confluence

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river, Illinois

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