📘 Park Overview
The 18th century Harmony Hall mansion is located on a 62.5-acre open pasture land estate along the Potomac River. This estate was purchased by the National Park Service in 1966, to preserve southern Maryland cultural heritage. Surrounded by a rich landscape, it offers visitors many chances to connect with Colonial History. The park also home to the remains of the Want Water House and canal.
🌤 Weather 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..
🚗 Directions
From the Capital Beltway (I495/95) take Exit 3 to MD 210 South/Indian Head Highway, travel approximately 4 miles to Fort Washington Road, turn right. At the traffic light, Livingston Road, turn right. The Harmony Hall Regional Center will be on your left. That is where you will need to park. After parking, when facing Livingston Road, go to your left and the park entrance is the next driveway.
Images
Harmony Hall is a two and a half story Georgian style house built in 1723.
Credit: NPS
Historic image of Harmony Hall, circa 1938.
Credit: NPS Photo
Broad Creek runs through the Harmony Hall property
Credit: NPS
East elevation of Harmony Hall Mansion
Credit: NPS Photo
The ruins of Want Water, a colonial era home
Credit: NPS
The view from the backyard of Harmony Hall
Credit: NPS
Activities
Topics
Operating Hours
Entrance Fees
No entrance fees listed.
Entrance Passes
No entrance passes listed.
3-Day Weather Forecast
Friday, Aug 28
Overcast
High: 88.8°F | Low: 70.3°F
Humidity: 79%
Wind: 4.9 mph
Rain Chance: 86%
UV Index: 7
Sunrise: 06:33 AM
Sunset: 07:44 PM
Moon: Full Moon (98%)
Visibility: 5 mi
Dew Point: 72.9°F
Cloud Cover: 86%
Pressure: N/A mb
Air Quality (PM2.5): N/A
Ozone: N/A
EPA Index: N/A
Saturday, Aug 29
Overcast
High: 86.4°F | Low: 67.8°F
Humidity: 74%
Wind: 6.9 mph
Rain Chance: 52%
UV Index: 7
Sunrise: 06:34 AM
Sunset: 07:43 PM
Moon: Waning Gibbous (94%)
Visibility: 6 mi
Dew Point: 70.3°F
Cloud Cover: 52%
Pressure: N/A mb
Air Quality (PM2.5): N/A
Ozone: N/A
EPA Index: N/A
Sunday, Aug 30
Overcast
High: 91.3°F | Low: 68.8°F
Humidity: 72%
Wind: 8.3 mph
Rain Chance: 13%
UV Index: 8
Sunrise: 06:35 AM
Sunset: 07:41 PM
Moon: Waning Gibbous (87%)
Visibility: 4 mi
Dew Point: 72.6°F
Cloud Cover: 13%
Pressure: N/A mb
Air Quality (PM2.5): N/A
Ozone: N/A
EPA Index: N/A
Park Alerts
Visitor Center & Contacts
📍 Physical Address:
10702 Livingston Road
Fort Washington, MD 20744
🏤 Mailing Address:
Fort Washington Park
Attn: Harmony Hall
Fort Washington, MD 20744
📞 Voice Phone: 771-208-1555
✉️ Email: haha_visitorservices@nps.gov