The Great Western Trail, Des Moines

Just behind the airport, off of Valley Drive, lies the Great Western trail.  This old rail road grade turned trail is very flat and has the mileage marked every half mile.   It totals 16.5 miles of groomed gravel and runs from Des Moines to Indianola.   Scenery includes airplanes taking off/landing in the first mile and deer, pheasant, and other birds for the rest of the trail.  The Indianola side has a nice little park with water fountains and even a few water shelters along the trail. 
Bret Anderson