Girl with binoculars Join today and get outside at one of our 60+ wildlife sanctuaries.
Girl with binoculars Join today and get outside at one of our 60+ wildlife sanctuaries.
A meadow hillside leading to a dark green forest with water in the center.
Tidmarsh, Plymouth

Wildlife Sanctuaries & Properties

Tidmarsh Wildlife Sanctuary

  • Plymouth
  • 481 Acres

Plan Your Visit

Once a working cranberry farm, this landscape underwent the largest freshwater ecological restoration ever completed in the Northeast. Now Tidmarsh is a 481-acre property that's home to a vast expanse of cold-water streams, ponds, forest, and woodlands—all permanently protected and open for everyone to enjoy!

Directions to Tidmarsh

Connect with Tidmarsh

Property Regulations

  • Foot travel only; please stay on trails (day passes are available for powered mobility devices)
  • Dog walking and horseback riding are prohibited; please leave all animals and pets at home (service animals welcome)
  • Camping, collecting, smoking, hunting, fishing, releasing of animals, and feeding wildlife is prohibited.
  • Commercial photography needs prior approval; please see all photography guidelines.

Facilities

  • Parking
    Parking
  • Trail, Universally Accessible
    Trail, Universally Accessible

Explore Tidmarsh

  • An orange, black, and white Painted Lady butterfly on a pink Milkweed.
    Painted Lady, Tidmarsh, Plymouth
  • Pink flowers in uncut grass of a small hill. Trees surround the hill.
    Tidmarsh, Plymouth
  • A Monarch Butterfly hangs on to a yellow flower. Other yellow flowers are scattered throughout the frame.
    Tidmarsh, Plymouth
  • A watery marsh with tall grass and yellow flowers. Red, yellow, and green shrubs in the background.
    Tidmarsh, Plymouth
  • A gravel path on a hillside. On the right side of a path is a guiding rope. Two wooden benches are placed on the left.
    Tidmarsh, Plymouth
  • A meadow hillside leading to a dark green forest with water in the center.
    Tidmarsh, Plymouth
  • A wooden boardwalk cuts through green vegetation and trees.

Latest News

More News
Northern Mockingbird at Daniel Webster
Northern Mockingbird
News October 09, 2025

Migration Stations Coming to Tidmarsh and Daniel Webster

Keep Reading
Boardwalk with cloudy sky
Wellfleet Bay Wildlife Sanctuary © Roger Vogel
News August 07, 2025

5 Iconic Boardwalks at Mass Audubon Wildlife Sanctuaries

Keep Reading
White flower clusters in front of a channel of water.
News May 28, 2025

Breathing Life Back Into Bogs

Keep Reading

Upcoming Programs

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Sanctuary History

Tidmarsh was once a vibrant ecological setting, featuring natural bogs and a cold-water stream. Then in the 1890s it was transformed into cranberry bogs.

Learn More

Conservation Projects

Tidmarsh is actively involved with a variety of projects that relate to protecting and restoring resilient landscapes.

Get Details