Dunham Island is a island located in Oswego County, New York. It appears on the Cicero USGS 7.5-minute topographic quadrangle. The nearest populated place is Valentines Beach, approximately 1.4 miles to the S.
Oswego County · New York
Dunham Island is a island located in Oswego County, New York. It appears on the Cicero USGS 7.5-minute topographic quadrangle. The nearest populated place is Valentines Beach, approximately 1.4 miles to the S.