River Access Walling River Access Another access to the Little Sioux River, Walling Access is located one mile north of Correctionville. Park Map Another access to the Little Sioux River, Walling Access is located one mile north of Correctionville. Activities & Amenities Iowa Fishing Permit Iowa Hunting License Location Walling River Access State Highway 31 North of Correctionville Correctionville, IA 51016 Contact 712.372.4984 parksinfo@woodburyparks.org Download Map