Keystone Mountain is a summit located in Lincoln County, Montana. It appears on the Newton Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Sylvanite, approximately 2.8 miles to the ENE.
Lincoln County · Montana
Keystone Mountain is a summit located in Lincoln County, Montana. It appears on the Newton Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Sylvanite, approximately 2.8 miles to the ENE.