national dog pet policy info.

Thomas Stone National Historic Site

Located in the state of Maryland

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 (40 km) south of Washington D.C. in Charles County, Maryland. The site was established to protect the home and property of 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.

  • Dogs are allowed on trails and most external areas
  • Parking areas and along paved roads
  • Campgrounds
  • Picnic areas
  • Must be restrained or kept on a leash no longer than 6 feet at all times.
  • Dogs must wear a collar with current tags at all times
  • Pick up after your dog at all times – Leave no trace

*Please see more details for leash info

  • Inside buildings (unless service animal)
  • Never leave your pet unattended or alone inside a vehicle
  • Never off leash – unless inside a vehicle, tent, dog crate or other portable kennel
  • Untagged dogs or dogs with uncurrent tags
  • Excessive barking

*Please see more details for leash info

  • Extreme range of weather
  • Extreme heat
  • Venomous Snakes
  • Poisonous Plants
  • Spiny and prickly plants
  • Predatory animals
  • Be aware of animal traps and hunting areas
  • Ticks and biting insects
  • Do not drink from waterways
  • Bring plenty of drinking water
  • Swim safely, extreme water areas

Leash Laws: Most parks require dogs to be on a leash in some or all areas, however, some parks allow dogs off leash in certain locations, please consult the parks website before going off leash, Thank you!

  • Consult the park website before traveling all information is to be used as a guide.
  • Respect local wildlife.
  • Leave no trace – What you bring in, you bring out.
  • If you are visiting during the hottest months of the year, a “palm test” is recommended before walking your dog – place your hand on the pavement for a minute and see if it is comfortable there. If the pavement feels hot to your palm, it will be hot to your dog’s paws.

(301) 392-1776 x302

Thomas Stone National Historic Site Website

Thomas Stone National Historic Site Hiking

Thomas Stone National Historic Site Volunteer

We do our best to keep all information current and accurate - If you see an error or think we have missed something please contact us directly.

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We do our best to keep all information current and accurate - If you see an error or think we have missed something please contact us directly.

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