Walgett website and business directory, Walgett is a town in northern NSW, Australia, it is the junction of the Barwon and Namoi Rivers and the Kamilaroi and Castlereagh Highways. It was inhabited by the Gamilaroi (also spelt Kamilaroi) Nation of Indigenous peoples before white settlement. It was gazetted in 1851 and town sites were surveyed in 1859.