Pet-friendly summary
National parks in the DC area welcome you and your dogs, but dogs must be on a leash at all times (should go without saying, but you need be holding onto that leash!).
Amenities
About Piscataway Park
Piscataway Park is home to bald eagles, beavers, deer, foxes, ospreys, and many other species. To complement the surroundings, the park has, in addition to a public fishing pier and two boardwalks over fresh water tidal wetlands, a variety of nature trails, meadows, and woodland areas. The Park is also home to National Colonial Farm.