The Richmond River is a river situated in the Northern Rivers region of New South Wales, Australia.
The river rises at the northern end of the Richmond Range, near its junction with the McPherson Range, on the Queensland/ New South Wales border, west of Mount Lindesay, and flows generally south east and north east, joined by twelve tributaries, including the Wilsons River, before reaching its mouth at its confluence with the Coral Sea of the South Pacific Ocean near Ballina; descending 256 metre) over its 237 kilometres course.
On its journey it passes through the towns of Kyogle, Casino, Coraki and Woodburn. Summerland Way is situated adjacent to much of the middle reaches of the course of Richmond River. At Ballina, the Pacific Highway crosses the river.
The catchment area of the river is estimated at 6,862 square kilometres, which makes it the sixth largest catchment in New South Wales; and its floodplain has an area of over 1,000 square kilometres.
