Department of Environmental Conservation

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Piermont Marsh

Piermont, Rockland County

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Piermont Marsh is the southernmost site within the Hudson River Research Reserve on the western shore of the Tappan Zee, where the Hudson River is widest. Most of the marsh is within the boundaries of Tallman Mountain State Park. Bird life is the star attraction, and habitats here include brackish tidal marsh, shallow open water areas and intertidal mudflats.

Wildlife to Watch

Where to Watch

  • Trail
  • Canoe/kayak

Recreational Opportunities

  • Hiking
  • Canoeing/kayaking
  • Birdwatching
  • Fishing
  • Picnicking

Accessible Features

International Symbol of Accessibility

This site has some accessible features, including Piermont Pier and the foot trail. A full list of DEC's accessible recreation destinations is available on the DEC website.


1,017 acres

Closest Town



Go to Google Maps, and enter your address for step-by-step directions to Piermont Marsh. (This link will open a page outside the DEC website. Hold the "Shift" key down, and click on the link to open it in a new window.)

Contact Information

Telephone: 845-889-4745

Website: Piermont Marsh