What south-eastern river that orginates from Mount Kosciuszko and has Brodribb River as a perennial river?
Brodribb River The Brodribb River is a perennial river of the Snowy River catchment, located in the East Gippsland region of the Australian state of Victoria.
Williams River (New South Wales) The Williams River is a perennial stream that is a tributary of the Hunter River, in the Hunter Region of New South Wales, Australia.