Basic Information

Summers are generally hot and humid, with daytime highs frequently above 90 degrees Fahrenheit and scattered afternoon thunderstorms. Winters are generally cold, with nighttime lows frequently near freezing and occasional snowfall. Weather during spring and fall is generally moderate, but can change quickly..

Entrance Fees:

Harmony Hall - $0.00

There are no fees for the park.

Fort Washington Visitor Center

Harmony Hall does not have an active visitor center. For any questions or concerns please contact us at Fort Washington Visitor Center.


The grounds around Harmony Hall showcase the beauty of the Potomac River and provide the perfect venue for wildlife spotting and birdwatching. The perceptive explorer will also discover stories of southern Maryland's history.

Last updated: March 5, 2016

Contact the Park

Mailing Address:

13551 Fort Washington Rd.
Fort Washington, MD 20744


(301) 763-4600

Contact Us