• !5-inch Rodman Cannon

    Civil War Defenses of Washington

    District of Columbia

Operating Hours & Seasons

The National Park Service Civil War Defenses of Washington sites are open every day except January 1, Thanksgiving, and December 25. The hours of operation are from dawn to dusk. Please contact each park for more information.

Did You Know?

Fort Washington

When the Civil War began, Fort Washington was the only existing fortification for the capital's defense. Fort Washington, nearly 12 miles down the Potomac, was built to guard against enemy ships during the War of 1812.