Today nineteen fort sites are administered by the National Park Service located on approximately 130 acres. Each fortification was a link in this chain of forts surrounding the capital city during the Civil War. Click the hightlighted fort name to learn more about its story and the role it played in defending the District of Columbia.
Click here for an historic map of the Civil War Defenses of Washington with fortifications owned by the National Park Service highlighted.
Did You Know?
The design for the Defenses of Washington was based on a textbook published in 1836 called A TREATISE ON FIELD FORTIFICATIONS, by Dennis Hart Mahan. Mahan was a professor of civil and military engineering at West Point.