
National Historic Site ยท Maryland
NPS Photo / Stephen Girimont
National Historic Site of the United States
The Thomas Stone National Historic Site, also known as Haberdeventure or the Thomas Stone House, is a United States National Historic Site located about 25 miles (40ย km) south of Washington D.C. in Charles County, Maryland. The site was established to protect the home and property of Founding Father Thomas Stone, one of the 56 signers of the United States Declaration of Independence. His home and estate were owned by the Stone family until 1936.
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.





Thomas Stone National Historic Site is open Saturdays and Sundays from 10:00 a.m. to 4:00 p.m.
| mon | tue | wed | thu | fri | sat | sun |
|---|---|---|---|---|---|---|
| Closed | Closed | Closed | Closed | Closed | 10:00AM - 4:00PM | 10:00AM - 4:00PM |
Thomas Stone National Historic Site is free to enter.
Popular activities at Thomas Stone National Historic Site include: Guided Tours, Hiking, Junior Ranger Program, Wildlife Watching, Shopping, Bookstore and Park Store.
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.
Thomas Stone NHS is located on Rose Hill Road, between U.S. Highways 225 and 6, four miles west of LaPlata, MD.
Free Admission
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.
Thomas Stone NHS is located on Rose Hill Road, between U.S. Highways 225 and 6, four miles west of LaPlata, MD.
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