The Ouenghi River is a river of New Caledonia. It has a catchment area of 270 square kilometres.Bouloupais lies near the river at the foot of Mount Ouitchambo.It enters the Saint Vincent Bay to the west of the village of Tomo.
Coordinates: 21°55′45″S 166°6′35″E / 21.92917°S 166.10972°E