Harmony Hall is a park service site run by the National Park Service in Maryland.
In the park service’s words
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.
From the National Park Service (public domain).
Things to do
- Junior Ranger Programs at National Capital Parks - East (30 to 90 Minutes): Become a Junior Ranger at parks across National Capital Parks, East! Explore, complete a booklet, and earn badges and certificates along the way!
- Collect all the National Capital Parks - East Passport Stamps (5 to 10 Minutes): Start your stamp collection and celebrate every park you visit! Explore historic sites and scenic parks managed by National Capital Parks - East and collect a unique stamp at each one.
Fees and hours
Entrance fee: No entrance fee.
Hours: Daily, 6:00AM - 10:00PM. Park grounds are open daily from 6:00 a.m. to 10:00 p.m. There is no vehicle access or on-site parking. Historic structures are closed, and no facilities or amenities are available. Please do not attempt to enter any structures.
Getting there
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.
| Airport | City | Drive to the park | Straight-line miles | Type |
|---|---|---|---|---|
| Ronald Reagan Washington National Airport (DCA) | Washington, DC | No road route | 8 | Large hub |
| Washington Dulles International Airport (IAD) | Dulles, VA | No road route | 28 | Large hub |
| Baltimore/Washington International Thurgood Marshall Airport (BWI) | Baltimore, MD | No road route | 35 | Large hub |
Drive times run from the airport to Zion Canyon Visitor Center, estimated with OSRM routing on OpenStreetMap roads at normal speeds; allow extra for traffic, stops and construction.
Miles are straight-line distances.
Weather
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..
From the National Park Service (public domain).
Know before you go
Drones are banned at almost every park site, and you may not take rocks, plants or artifacts. Pets must be on a leash no longer than 6 feet where they are allowed. Bring no firewood from home.
Nearby
The nearest national park is Shenandoah, about 74 miles away in a straight line.
Sources
- National Park Service Data API: Harmony Hall (public domain)
- Official website
Last checked 1 November 2026.
Frequently asked questions
Is there an entrance fee at Harmony Hall?
No entrance fee.
Where is Harmony Hall?
In Maryland. The closest airport with scheduled flights is Ronald Reagan Washington National Airport, about 8 miles away.
More sites nearby
Other Park Service sitesAfrican American Civil War Memorial
Park Service site in District of Columbia. No entrance fee.
Other Park Service sitesAlaska Public Lands
Park Service site in Alaska. No entrance fee.
Other Park Service sitesAlcatraz Island
Park Service site in California. No entrance fee. 1 hikes listed.
Other Park Service sitesAleutian Islands World War II National Historic Area
National Historic Area in Alaska. No entrance fee.
Other Park Service sitesAmerican Memorial Park
Park in Northern Mariana Islands. No entrance fee.
Other Park Service sitesAnacostia Park
Park in District of Columbia. No entrance fee.