Mainstream Mountain is a summit located in Somerset County, Maine. It appears on the Hartland USGS 7.5-minute topographic quadrangle. The nearest populated place is Mainstream, approximately 0.7 miles to the WNW.
Somerset County · Maine
Mainstream Mountain is a summit located in Somerset County, Maine. It appears on the Hartland USGS 7.5-minute topographic quadrangle. The nearest populated place is Mainstream, approximately 0.7 miles to the WNW.