Brimstone Mountain is a summit located in Putnam County, New York. It appears on the Brewster USGS 7.5-minute topographic quadrangle. The nearest populated place is Valleyville, approximately 0.4 miles to the S.
Putnam County · New York
Brimstone Mountain is a summit located in Putnam County, New York. It appears on the Brewster USGS 7.5-minute topographic quadrangle. The nearest populated place is Valleyville, approximately 0.4 miles to the S.