Delaware River


The Delaware’s main tributaries in New York are the Mongaup and Neversink Rivers and Callicoon Creek; in Pennsylvania, the Lackawaxen, Lehigh, and Schuylkill Rivers feed the Delaware; and from New Jersey, the Musconetcong, Rancocas Creek and the Cooper and Maurice Rivers.

The upper part of the Delaware is shallow and difficult to navigate, so a canal system was built. Opened in 1830, it ran from Easton to Bristol, just beneath the Trenton Falls. It is no longer used for shipping, but the canal is still a source of enjoyment and recreation for thousands of visitors every year who walk and bike along its towpath.

The watershed’s rivers, creeks and streams also include:



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Remember the River

Remember the River CampaignThe Delaware is the longest undammed river east of the Mississippi, flowing freely for 330 miles as it travels from New York state, through Pennsylvania, New Jersey, and Delaware to the Atlantic Ocean.

Our Remember the River campaign is a tribute to the Delaware. Learn more about this campaign.

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