The Nullica River is an intermittently closed semi-mature saline coastal lagoon or perennial river, located in the South Coast region of New South Wales, Australia.

Course and features

The Nullica River rises below Nullica Hill within Nullica State Forest, approximately 11 km west of Eden, The river flows generally east southeast, joined by one minor tributary, before reaching its mouth and emptying into Nullica Bay, within Twofold Bay, and spilling into the Tasman Sea of the South Pacific Ocean, east of Nullica. The river descends 137 m over its 11 km course. The catchment area of the river is 55 km2 with a volume of 176 ML over a surface area of 0.3 km2, at an average depth of 0.6 m. West of the river's mouth, the Princes Highway crosses the Nullica River.