Hennepin Canal Parkway State Park
…The main canal length is 75.2 miles (121.0 km), and its feeder canal is 29.3 miles (47.2 km) long. The state park spans five counties (Rock Island, Bureau, Henry, Lee and Whiteside) and is 104.5 miles (168.2 km) long. The Hennepin Canal follows a natural low area between Hennepin and Rock Island. This is…