Grindstone Knob can be found in 1 country.
The northern most place is in the region Virginia in America. The southern most place is in the region North Carolina in America.
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Cities named Grindstone Knob: to select only cities, choose "Cities".
There are 7 places called Grindstone Knob in the world.There are 7 places named Grindstone Knob in America.