National Historic Site

Thomas Stone National Historic Site

Thomas Stone National Historic Site is a National Historic Site in Maryland. The NPS currently lists 0 active alerts, 0 campgrounds and 1 visitor center, and no entrance fee.

Maryland National Historic Site No entrance fee

Updated · NPS Data API

5 part Mansion at Haberdeventure
Mansion at Haberdeventure · Photo: NPS Photo / Stephen Girimont (via nps.gov)

About the park

“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.”

Active alerts

0

Closures

0

Campgrounds

0

Visitor centers

1

Current alerts and closures

The NPS listed no active alerts for this park in the Oct 28, 2026 snapshot. Conditions can change; check current conditions on nps.gov before you go.

Entrance fees and passes

This site has no entrance fee, according to NPS fee data.

This park is cashless — bring a card or buy your pass online.

Things to do

Farm Outbuildings
Photo: NPS Photo/Stephen Girimont

Farm Outbuildings Loop

Explore the outbuildings of Haberdeventure, the plantation of Thomas Stone.

90-120 Minutes Spring, Summer, Fall Pets allowed

Hiking

Stone Mansion
Photo: NPS image

Long Loop: Stone Mansion

Hike along a more moderate trail to get to the Stone Mansion. Experience more of the natural world on the way to the Mansion.

50-90 Minutes Spring, Summer, Fall Pets allowed

Hiking

Stone Mansion
Photo: NPS image

Short Loop: Stone Mansion

Take a short walk to get to the Stone Mansion, the home of Thomas Stone.

30-60 Minutes Spring, Summer, Fall Pets allowed

Hiking

See all 8 things to do in Thomas Stone →

Activities the NPS lists for Thomas Stone.

Guided ToursHikingJunior Ranger ProgramWildlife WatchingShoppingBookstore and Park Store

Operating hours

Thomas Stone National Historic Site is open Saturdays and Sundays from 10:00 a.m. to 4:00 p.m.

Park Grounds Operating Hours
DayHours
MondayClosed
TuesdayClosed
WednesdayClosed
ThursdayClosed
FridayClosed
Saturday10:00AM - 4:00PM
Sunday10:00AM - 4:00PM

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.

Contact and directions

Phone
804-224-1732 ext. 227
Email
[email protected]
Address
6655 Rose Hill Road, Port Tobacco, MD 20677
Coordinates
38.5293, -77.0378· View on OpenStreetMap

Official park page on nps.gov Directions

Visitor centers

Visitor centerStandard hoursPhonePassport stamp
Thomas Stone Visitor CenterMon Closed · Tue Closed · Wed Closed · Thu Closed · Fri Closed · Sat 10:00AM - 4:00PM · Sun 10:00AM - 4:00PM8042241732Yes

Campgrounds

No NPS campgrounds are listed for this site. Nearby national forests or state parks may offer camping.

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More parks in Maryland

Antietam National BattlefieldAppalachian National Scenic TrailAssateague Island National SeashoreBaltimore-Washington ParkwayCaptain John Smith Chesapeake National Historic TrailCatoctin Mountain ParkChesapeake & Ohio Canal National Historical ParkChesapeake BayCivil War Defenses of WashingtonClara Barton National Historic SiteFort Foote ParkFort McHenry National Monument and Historic ShrineAll in Maryland

Nearest other NPS sites

Sources

  • Park details, alerts, fees and passes, visitor centers and campgrounds: National Park Service Data API, snapshot of Oct 28, 2026.
  • Official park page: https://www.nps.gov/thst/index.htm
  • Data: National Park Service (NPS) Data API, U.S. Department of the Interior (developer.nps.gov). This product uses the NPS Data API but is not endorsed or certified by the National Park Service. The National Park Service and the U.S. Department of the Interior do not endorse OpenParks. Photos are NPS images shown with their original credits; park descriptions are short excerpts credited to the NPS. Always confirm current conditions on nps.gov before you travel.