Thunderbolt Hill is a summit located in Whiteside County, Illinois. It appears on the Prophetstown USGS 7.5-minute topographic quadrangle. The nearest populated place is Portland, approximately 0.4 miles to the SE.
Whiteside County · Illinois
Thunderbolt Hill is a summit located in Whiteside County, Illinois. It appears on the Prophetstown USGS 7.5-minute topographic quadrangle. The nearest populated place is Portland, approximately 0.4 miles to the SE.