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  1. Des Moines River - Wikipedia

    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, …

  2. Des Moines River | Iowa, Map, History, & Facts | Britannica

    Des Moines River, river rising in Lake Shetek in southwestern Minnesota, U.S., near Pipestone, and flowing 525 miles (845 km) in a southeasterly direction to join the Mississippi River 2 miles …

  3. Des Moines River - threeriverstrail.org

    The Three Rivers Trail gets its name because it crosses three rivers: the Boone River, the East Branch of Des Moines River, and West Branch of Des Moines. All of these rivers are part of …

  4. Des Moines River - United States Army

    The Des Moines River drains 25 percent of Iowa and intense cropping, large livestock facilities, and surface and tile drainage are responsible for creating some of the highest nitrogen and...

  5. Des Moines River - WorldAtlas

    Jun 3, 2022 · The Des Moines River is the biggest river flowing across the state of Iowa and is a branch of the Mississippi River situated in the upper Midwestern United States.

  6. Des Moines River Water Trail - Travel Iowa

    Get all the details on the Des Moines River Water Trail including maps and communities and points of interest along the way.

  7. Des Moines River - Engineering With Nature

    Feb 7, 2025 · The Des Moines River (DSMR) SRP sought to apply those goals on the river and at Lake Red Rock and Saylorville Lake, USACE reservoirs in Iowa on the DSMR, a tributary of …

  8. Des Moines River segments and maps - Minnesota DNR

    The Des Moines River rises from Lake Shetek in southwestern Minnesota and flows 525 miles to join the Mississippi River near Keokuk, Iowa. The river ranges from 50 to 200 feet wide as it …

  9. Dolliver Memorial State Park | Department of Natural Resources

    Dolliver overlooks the Des Moines River Valley and spreads across 594 acres of flatlands and rugged trails. Highlights of the park include Boneyard Hollow, the Copperas Beds and historic …

  10. Iowa DNR not worried after zebra mussels found in Des Moines River

    Dec 24, 2025 · Zebra mussels were recently found at Des Moines Water Works. What to know about the invasive species and why the Iowa DNR isn't worried.