Visitors Guide to
Lock and Dam No. 20
Canton, Missouri
217-222-0918
   
Lock and Dam No. 20 is a lock and dam located on the Upper Mississippi River, about one mile upstream from Canton, Missouri. It was constructed between 1932 and 1935 by the U.S. Army Corps of Engineers. The structure is located at river mile 343.1. It includes a 2,369 feet  long dam, 40 tainter gates, 3 roller gates, and a lock chamber that is 110 feet  wide by 600 feet (182.9 m) long. There is also an incomplete auxiliary lock. The facility was listed in the National Register of Historic Places in 2004.


Location: Lock and Dam No. 20 is located along the Canton riverfront north of the downtown district..


Regional Locks and Dams - Get more information on the Locks and Dams in the Middle Mississippi River Valley from Lock and Dam No.19 in Keokuk, Iowa to and Lock and Dam No. 27 in Granite City, Illinois just north of St. Louis.

Learn more about the Canton area.

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