Welcome to Constitution Marsh Audubon Center and Sanctuary

The natural side of the Hudson River.

* PLEASE NOTE: We are a small facility with very limited space for public parking. The site is best suited for group visits that are arranged well in advance. Dogs are not allowed on the trail. Thank you for understanding.

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 located in Putnam County, New York 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 wildife and their habitats across New York State.

Planning a Visit
Visit

Planning a Visit

Important information about visiting Constitution Marsh

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Group and Public Programs
Programs

School Programs

Students become scientists when visiting Constitution Marsh

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Birds
Birds

Birds

Birds of New York

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Constitution Marsh’s Eric Lind Migrates to a New Role within Audubon
News

Constitution Marsh’s Eric Lind Migrates to a New Role within Audubon

Join us at the Garrison Art Center for a pop-up photography exhibit, honoring the former Center Director

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News and Updates

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

Constitution Marsh’s Eric Lind Migrates to a New Role within Audubon
News

Constitution Marsh’s Eric Lind Migrates to a New Role within Audubon

Join us at the Garrison Art Center for a pop-up photography exhibit, honoring the former Center Director

How you can help, right now