Carls Island is a island located in Northumberland County, Pennsylvania. It appears on the Pillow USGS 7.5-minute topographic quadrangle. The nearest populated place is Port Trevorton, approximately 0.7 miles to the NNW.
Northumberland County · Pennsylvania
Carls Island is a island located in Northumberland County, Pennsylvania. It appears on the Pillow USGS 7.5-minute topographic quadrangle. The nearest populated place is Port Trevorton, approximately 0.7 miles to the NNW.