Why it belongs here
The Des Moines River ( ) is a tributary of the Mississippi River in the upper Midwestern United States that is approximately 525 miles (845 km) long from its farther headwaters. The largest river flowing across the state of Iowa, it rises in southern Minnesota and flows across Iowa from northwest to southeast, passing from the glaciated plains into the unglaciated hills, transitioning near the capital city of Des Moines in the center of the state.
Source-backed
