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Priority Landscapes

Delaware River and Bay

The Delaware River flowing between Pennsylvania and New Jersey. © Nicholas A. Tonelli

Protecting a Critical Waterway

The Delaware River provides clean drinking water for 17 million people in four states.

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Arrow Island, on the Delaware River in Pennsylvania.

Program Overview

Restoring the Delaware River

Emerging in New York's Catskill Mountains, the Delaware River's east and west branches form to become one of the only free-flowing major rivers remaining in the eastern U.S.

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Bird on a post.

Places We Protect

Delaware Bayshores

The 3,420-square mile Delaware Bayshores spans from Delaware across the bay to the southernmost counties of New Jersey and harbors some of the most important habitats on the U.S. East Coast.

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