It is situated in Frederick County , about a mile southwest of Middletown .
Belle Grove Plantation is a late - 18th - century plantation house and estate in the northern Shenandoah Valley of Virginia , USA .
Belle Grove Plantation is situated in Frederick County , about a mile southwest of Middletown .
Belle Grove Plantation is a late - 18th - century plantation house and estate in the northern Shenandoah Valley of Virginia , USA .