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The Green Adventures

National Historic Site · Maryland

Thomas Stone National Historic Site

National Historic Site in Maryland. No entrance fee. 5 hikes listed.

TypeNational Historic Site
StateMaryland
Entrance feeNo entrance fee
CampgroundsNone
Nearest national parkShenandoah (71 mi)
Closest airportDCA (22 mi)
5 part Mansion at Haberdeventure
Mansion at Haberdeventure Photo: NPS Photo / Stephen Girimont

Thomas Stone National Historic Site is a national historic site run by the National Park Service in Maryland.

In the park service’s words

In 1776, Thomas Stone and 55 others signed the Declaration of Independence. In doing so, Stone risked his home, his family's security, and even his life to support the Declaration of Independence's promise of freedom.

From the National Park Service (public domain).

Things to do

  • Tour the Thomas Stone House (30 to 45 Minutes): Join a ranger for a 30 minute guided tour of the Thomas Stone House to explore Thomas Stone's life as a planter, a lawyer, a politician, and a signer of the Declaration of Independence.
  • Short Loop: Stone Mansion (30 to 60 Minutes): Take a short walk to get to the Stone Mansion, the home of Thomas Stone.
  • Long Loop: Stone Mansion (50 to 90 Minutes): Hike along a more moderate trail to get to the Stone Mansion. Experience more of the natural world on the way to the Mansion.
  • Farm Outbuildings Loop (90 to 120 Minutes): Explore the outbuildings of Haberdeventure, the plantation of Thomas Stone.
  • Long Loop: Stone Family Cemetery (60 to 90 Minutes): Looking for a longer, scenic stroll to the Stone family cemetery? This is a longer segment of a larger nature trail system.
  • Short Loop: Stone Family Cemetery (10 to 15 Minutes): Take a stroll to the Stone family cemetery. This is a segment of a larger nature trail system at Thomas Stone National Historic Site.
  • Bicycle Port Tobacco to Smallwood State Park: Port Tobacco Historic District and Smallwood State Park provide a contrast in landscape diversity, and travel between them is a fine bicycle ride. This route is part of the Adventure Cycling Association Tidewater Potomac Heritage Bicycling Route.
  • Bicycle Colton's Point to Port Tobacco: For those seeking to explore Southern Maryland or to travel the extent of the Potomac Heritage NST corridor, bicycling and paddling, combined with some short hikes, are the best self-powered ways to experience the area. The 38-mile bicycling route between Colton's Point/St. Clement's Island Museum and Port Tobacco (or

Fees and hours

Entrance fee: No entrance fee.

Hours: Mon Closed; Tue Closed; Wed Closed; Thu Closed; Fri Closed; Sat 10:00AM - 4:00PM; Sun 10:00AM - 4:00PM. Thomas Stone National Historic Site is open Saturdays and Sundays from 10:00 a.m. to 4:00 p.m.

Getting there

Thomas Stone NHS is located on Rose Hill Road, between U.S. Highways 225 and 6, four miles west of LaPlata, MD.

Airport City Drive to the park Straight-line miles Type
Ronald Reagan Washington National Airport (DCA) Washington, DC No road route 22 Large hub
Washington Dulles International Airport (IAD) Dulles, VA No road route 36 Large hub
Baltimore/Washington International Thurgood Marshall Airport (BWI) Baltimore, MD No road route 49 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.

Visitor centers

  • [Thomas Stone Visitor Center](): Mon Closed; Tue Closed; Wed Closed; Thu Closed; Fri Closed; Sat 10:00AM - 4:00PM; Sun 10:00AM - 4:00PM. Thomas Stone NHS is closed in winter. During the spring and summer, Thomas Stone NHS is open Saturday and Sunday from 10:00 a.m. - 4:00 p.m. and is closed on weekdays.

Weather

Thomas Stone National Historic Site experiences all four seasons. Temperatures can be very warm and humid in the summer months and wet and rainy in the winter months.

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 71 miles away in a straight line.

Sources

Last checked 1 November 2026.

Frequently asked questions

Is there an entrance fee at Thomas Stone National Historic Site?

No entrance fee.

Where is Thomas Stone National Historic Site?

In Maryland. The closest airport with scheduled flights is Ronald Reagan Washington National Airport, about 22 miles away.

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