Grandfather Knob is a summit located in Sullivan County, Tennessee. It appears on the Keenburg USGS 7.5-minute topographic quadrangle. The nearest populated place is Hickory Tree, approximately 1.5 miles to the NNE.
Sullivan County · Tennessee
Grandfather Knob is a summit located in Sullivan County, Tennessee. It appears on the Keenburg USGS 7.5-minute topographic quadrangle. The nearest populated place is Hickory Tree, approximately 1.5 miles to the NNE.