A portion (or segment) of the Raccoon River Valley Trail (RRVT) between the towns of Redfield and Adel; spanning Guthrie and Dallas counties.
There appear to be two Adel trailheads. The first was on the outskirts of town and featured a moderate parking lot and gazebo. The second was right on a central highway, surrounded by food options and banks.
That one boasts several benches and tables, a bike rack that looks like bicycles, educational signage, and an interactive music garden.
As you come through town, there are multiple signs throughout that point you to various things (historic tour, interactive mural, etc.). It is well maintained and also features a brick pathway.
PSA: multiple portions of this trail are closed. There is adequate signage but I'm used to ignoring them, as other places tend to leave them up long after the work is finished. This is not so with Adel. If you're trying to pass through, you won't make it.