Roundtop Mountain is a summit located in Coos County, New Hampshire. It appears on the Umbagog Lake South USGS 7.5-minute topographic quadrangle. The nearest populated place is Dummer, approximately 5.1 miles to the SW.
Coos County · New Hampshire
Roundtop Mountain is a summit located in Coos County, New Hampshire. It appears on the Umbagog Lake South USGS 7.5-minute topographic quadrangle. The nearest populated place is Dummer, approximately 5.1 miles to the SW.