Laws & Policies
As of February 22, 2010, a new federal law makes possession of firearms in national parks subject to local and state firearms laws.
It is the responsibility of visitors to understand and comply with all applicable state, local, and federal firearms laws before entering this park. As a starting point, please visit our state’s website.
For the sites within the District of Columbia:
See Division I, Title 7, Subtitle J, Chapter 25
See also Division IV, Title 22, Subtitle VI, Chapter 45
For the sites within the State of Maryland:
See Maryland Code, Public Safety, Title 5
See also Maryland Code, Criminal Law, Title 4
For the sites within the State of Virginia:
See sections 18.2-279 through 18.2-312
Federal law continues to prohibit firearms in federal facilities in this park. Those federal facilities are marked with signs at public entrances.
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.