Marker text: FORT TILLINGHAST
Historical Site Defenses of Washington 1861-1865
Here stood Fort Tillinghast, a lunette in the Arlington Line constructed in August 1861. It had a perimeter of 298 yards and emplacements for 13 guns. A model of this fort, typical of all the lunettes in the Arlington Line, can be seen at the Hume School Museum of the Arlington Historical Society.
Erected by Arlington County, Virginia, 1965.