Watersheds of the Upper Hunterdon Plateau Raritan River: North (Top) – Three branches of Capoolong Creek. Northeast – Two un-named tributaries of the Raritan River. East (Cherryville) – Assicong Creek. Delaware River / D&R Canal: Southeast – Four branches of Wickecheoke Creek, which feeds the D&R Canal. Southwest – Three branches of Lockatong Creek, which feeds the D&R Canal. West (Dark Brown) – Nishiskawick Creek. The map spans 5.1 miles from west to east. For more, see Water Works 44 – How We Got Our Name. (Source: New Jersey State Plan Policy Map, March, 2001, Quadrangle 57)