About Thomas Stone National Historic Site
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.
Plan a Visit
Core visitor information on this page is sourced from the National Park Service. NPD proximity sections use NPS reference coordinates and straight-line distance. Local source bundle updated Sep 27, 2026. View the official NPS page.
Weather & Conditions
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.
NPS Reference Location
Park state / territory membership: Maryland. This map uses the National Park Service reference coordinate. It may represent an administrative or reference point rather than a park entrance, trailhead, visitor center, or the nearest access point. Use the official NPS directions below when planning travel.
Operating Hours
Thomas Stone National Historic Site is open Saturdays and Sundays from 10:00 a.m. to 4:00 p.m.
Activities
Getting There
Thomas Stone NHS is located on Rose Hill Road, between U.S. Highways 225 and 6, four miles west of LaPlata, MD.
View Official DirectionsContact & Address
The NPS-listed address may be an administrative office, visitor center, mailing/contact location, or other park facility rather than a park entrance.
Topics & Themes
Things To Do
Tour the Thomas Stone House
Join a ranger for a 30 minute guided tour of the Thomas Stone House to explore Thomas Stone's life as…
Short Loop: Stone Mansion
Take a short walk to get to the Stone Mansion, the home of Thomas Stone.
Long Loop: Stone Mansion
Hike along a more moderate trail to get to the Stone Mansion. Experience more of the natural world on the…
Farm Outbuildings Loop
Explore the outbuildings of Haberdeventure, the plantation of Thomas Stone.
Long Loop: Stone Family Cemetery
Looking for a longer, scenic stroll to the Stone family cemetery? This is a longer segment of a larger nature…
Short Loop: Stone Family Cemetery
Take a stroll to the Stone family cemetery. This is a segment of a larger nature trail system at Thomas…
More Things to Do
Additional activities and experiences from the National Park Service.
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…
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…
Visitor Centers
Thomas Stone Visitor Center
The Visitor Center at Thomas Stone National Historic Site is open Saturdays and Sundays from 10:00 a.m. to 4:00 p.m. during the summer season, generally…
Nearby National Park Service Sites
These sites are ordered by straight-line distance between NPS reference coordinates. This is useful for comparison, but it is not road mileage. Trails, parkways, rivers, and distributed units may extend far from their reference point.