The Nambucca River is a river located in the Mid North Coast region of New South Wales, Australia. Nambucca River rises below Killiekrankie Mountain on the Dorrigo Plateau, part of the Great Dividing Range, and flows generally east southeast, joined by four tributaries including Taylors Arm, before reaching its mouth at the Tasman Sea of the South Pacif…The Nambucca River is a river located in the Mid North Coast region of New South Wales, Australia. Nambucca River rises below Killiekrankie Mountain on the Dorrigo Plateau, part of the Great Dividing Range, and flows generally east southeast, joined by four tributaries including Taylors Arm, before reaching its mouth at the Tasman Sea of the South Pacific Ocean, at Nambucca Heads. The river descends 594 metres over its 87 kilometres course; adjacent to the towns of Bowraville, Macksville and Nambucca Heads.