Park Lookout is an independent site, not the National Park Service. We are not affiliated with NPS. Confirm conditions on nps.gov before you go: official Harmony Hall page.
Current NPS alerts (0)
NPS lists no current alerts for this site as of Oct 24, 2026, 9:57 PM ET.
Weather alerts (National Weather Service)
No active NWS watches, warnings or advisories for the forecast zone and county at the park's central point.
About this site
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.
- Type
- National Park Service site
- State
- Maryland
- Address
- 10702 Livingston Road, Fort Washington, MD 20744