Towamba River

The Towamba River is a perennial river which transitions to an open mature wave dominated barrier estuary, located in the South Coast region of New South Wales, Australia.

Course and features

The Towamba River rises near Coolangubra Mountain, below Mount Marshall on the eastern slopes of the South Coast Range, part of the Great Dividing Range, approximately north of Coolangubra Mountain. The river flows generally southeast and then northeast, joined by twelve tributaries including the Mataganah Creek and Wog Wog River. Its mouth, east of Boydtown, [New South Wales|Boydtown], is a barrier estuary known as Kiah Inlet, which empties into Nullica Bay, the southern bight of Twofold Bay in the Tasman Sea. The river descends over its course.
The catchment area of the river is with a volume of over a surface area of, at an average depth of.
At the locality of Kiah, the Princes Highway crosses the Towamba River.
The river flows through extensive parts of the South [East Forest National Park] in its upper reaches. In its lower reaches, the river forms the northern boundary of Mount Imlay National Park.