• Aqueduct and towpath, Delaware Canal (Delaware & Lehigh National Heritage Corridor)photo credit

    Lower Delaware

    National Wild and Scenic River PA,NJ

Natural Features & Ecosystems

GEOLOGY and LANDFORMS

Four geologic provinces running in a generally east-west direction shape the Lower Delaware River corridor's varied landscapes. The topography of the northern end of the corridor is broken by rocky and mountainous terrain. The middle river corridor is comprised of hills and clay soils, which contrast markedly with the southernmost province - the flat, marshy coastal plain.

Did You Know?

Yellow flowers aand lobe-shaped cactus leaves on a rocky ledge

... Prickly pear cactus, the only cactus found widely in the eastern United States, grows along the Delaware River's cliffs. Its yellow flowers and red fruit bloom June through August, and are found as far north as Massachusetts. More...