Congewai Creek, a watercourse of the Hunter River catchment, is located in the Hunter district of New South Wales, Australia.
The Congewai Creek rises below Myall Range, about 3 kilometres (1.9 mi) southeast of Quorrobolong trig station within the Watagans National Park. The river flows generally west by south, then north by west, then northwest by north, then west by north, then west southwest, and then south, joined by four tributaries including the Cedar Creek, before reaching its confluence with the Wollombi Brook near Wollombi. The river descends 106 kilometres (66 mi) over its 45 kilometres (28 mi) course.
Coordinates: 32°52′S 151°12′E / 32.867°S 151.200°E