Grandfather Knob is a summit located in Sullivan County, Tennessee. It appears on the Holston Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Fishdam (historical), approximately 0.8 miles to the S.
Sullivan County · Tennessee
Grandfather Knob is a summit located in Sullivan County, Tennessee. It appears on the Holston Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Fishdam (historical), approximately 0.8 miles to the S.