High Quality Content by WIKIPEDIA articles! Warragamba is a town in New South Wales, Australia, in Wollondilly Shire. Located on the eastern edge of the Blue Mountains, Warragamba is one and a half hour`s drive west of Sydney. The name Warragamba comes from the aboriginal words Warra and Gamba meaning water running over rocks. At the 2006 census, Warragamba had a population of 1,197.