The Rahway River is a tributary of the Arthur Kill in Essex, Middlesex and Union Counties, New Jersey in the United States.Alongside the Rahway, the Elizabeth River, Piles Creek, Passaic River, Morses Creek (New Jersey), the Fresh Kills river (in Staten Island) and Hackensack River are also tributaries of the Arthur Kill.Part of the extended area of New York-New Jersey Harbor Estuary, draining part of the suburban and urbanized area of New Jersey west of Staten Island, New York, the river is approximately long. The upper reaches are lined with several parks while the mouth serves as an industrial access channel on the Chemical Coast.The river was once on the lands of the Lenape Native Americans, and tradition states that the name is after Rahwack, a local tribal chief.
