The Hennepin Canal State Trail, also just called the Hennepin Canal, is an abandoned waterway in northwest Illinois, between the Mississippi River at Rock Island and the Illinois River near Hennepin. The entire canal is listed on the National Register of Historic Places.
Location: Rock Island, Bureau, Henry, Lee, and Whiteside Counties, Illinois, USA
Established: August 1, 1970
Built: 1890 – 1907
Architect: U.S. Corps of Engineers
Nearest city: Sheffield, Illinois
Length: Main canal length: 75.2 miles (121.0 km); feeder canal length: 29.3 miles (47.2 km)
Governing body: Illinois Department of Natural Resources