The Wapsipinicon River (locally known as the Wapsi) is a tributary of the Mississippi River, approximately 300 miles (480 km) long, in southeastern Minnesota and northeastern Iowa in the United States. It drains a rural farming region of rolling hills and bluffs north of Waterloo and Cedar Rapids. It rises in Mower County, Minnesota and enters Iowa in northern Mitchell County. It flows generally southeast across rural Chickasaw, Bremer, and Buchanan counties, past Independence and Anamosa. Along its lower 25 miles (40 km) it turns east, forming the boundary between Clinton and Scott counties. It joins the Mississippi from the ... Source: Wikipedia