Sumner Island is a island located in Winnebago County, Illinois. It appears on the Ridott USGS 7.5-minute topographic quadrangle. The nearest populated place is Pecatonica, approximately 1.7 miles to the ESE.
Winnebago County · Illinois
Sumner Island is a island located in Winnebago County, Illinois. It appears on the Ridott USGS 7.5-minute topographic quadrangle. The nearest populated place is Pecatonica, approximately 1.7 miles to the ESE.