A River and its History

The Delaware River, the largest free-flowing river in the eastern United States, runs past forests, farmlands and villages. It also links some of the most densely populated regions in America.

In 2000, the National Wild and Scenic River System incorporated key segments of the lower Delaware River to form this unit of the National Park System.

Historic buildings along the river's edge
Largest free-flowing river in the East

The Lower Delaware combines high population density with great recreational opportunities as well as natural, cultural and historical sites.

Last updated: January 5, 2024

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NPS Wild & Scenic Rivers
1234 Market Street

Philadelphia, PA 19107



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