Welcome to Constitution Marsh Audubon Center and Sanctuary

The natural side of the Hudson River.

The Constitution Marsh Visitor Center is now closed for the Winter months. We look forward to seeing you when we reopen in Spring!

Constitution Marsh Audubon Center and Sanctuary is a unique and beautiful tidal marsh located in Putnam County, New York, and serves as vital natural habitat in the Hudson River Estuary. It is situated on the east shore of the Hudson River, just south of the village of Cold Spring. The marsh is an Audubon New York Important Bird Area, a New York State Bird Conservation Area, and is designated as a Significant Coastal Fish and Wildlife Habitat.

We conduct nature education programs for visiting groups, bird studies, invasive species management, and habitat restoration efforts. Please read our FAQ page for important information and a safe and enjoyable visit, and explore the above menus to learn more about Audubon New York's stewardship and education programs devoted to the conservation of birds, other wildlife, and their habitats across New York State.

Audubon fosters an inclusive community that honors individuals of all races, cultures, abilities, religions, sexual orientations, gender expressions, and identities. Click here to read Audubon's full statement on equity, diversity, and inclusion.

Planning a Visit
Visit

Planning a Visit

Important information about visiting Constitution Marsh

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Birds
Birds

Birds

Birds of New York

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Group and Public Programs
Programs

School Programs

Students become scientists when visiting Constitution Marsh

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Internship Programs
Programs

Internship Programs

Giving students the opportunity to work and learn about the conservation field.

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News and Updates

"So Long, and Thanks to the Birds"
Audubon In Action

"So Long, and Thanks to the Birds"

Reflecting on her time at Constitution Marsh, the 2019 Student Conservation Association Intern "Fledges the Nest."

New Audubon Science: Two-Thirds of North American Birds at Risk of Extinction Due to Climate Change
News

New Audubon Science: Two-Thirds of North American Birds at Risk of Extinction Due to Climate Change

Enter your zip code into Audubon’s Birds and Climate Visualizer and it will show you how climate change will impact your birds and your community and includes ways you can help.

Ways to Combat and Adapt to Climate Change
Audubon In Action

Ways to Combat and Adapt to Climate Change

Audubon's network is working to build a brighter future for birds and people - locally, and nationally.

Partnerships Protect Birds
Audubon In Action

Partnerships Protect Birds

Growing Audubon's conservation efforts through collaboration, inside and outside the organization.

How to Create a Bird Sanctuary
Audubon In Action

How to Create a Bird Sanctuary

Tips and tricks for creating a bird-friendly community or backyard.

Birding to Breathe
Audubon In Action

Birding to Breathe

Utilizing the natural world as a means of achieving mental wellness.

The Mothers of Constitution Marsh
Audubon In Action

The Mothers of Constitution Marsh

The marsh offers unique habitat that supports various nesting wildlife in spring.

Bird's Eye View: the Value of Nature
Audubon In Action

Bird's Eye View: the Value of Nature

Bird lessons engage children in realizing the importance of the natural world.

One Month In
Audubon In Action

One Month In

A first look at one educator and naturalist intern's experience learning, teaching, and living at Constitution Marsh Audubon Center and Sanctuary.

25 Years at Constitution Marsh
News

25 Years at Constitution Marsh

Longtime director (and photographer) Eric Lind moving on

How you can help, right now