Established Purple Martin colony; Bell's Vireos have nested.
This former quarry in southwest Polk County is co-managed by Des Moines Water Works and Iowa DNR as a water park near Walnut Woods SP. It is reached by taking the SE 35th exit on Highway 5, north to Army Post Road, and west to the end of the street.
Restrooms on site
Roadside viewing
Wheelchair accessible trail
Entrance fee
Last updated April 24, 2023