Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Potomac Water Gap - The Potomac Water Gap is a double water gap in the Blue Ridge Mountains located at the intersection of the states of Virginia West Virginia and Maryland near Harpers Ferry. At 256 feet (78 m) it is the lowest crossing of the Blue Ridge Mountains.
Natural Place