Diamantina River, north of Birdsville, Queensland - 2632 Limited Edition 10 The Diamantina River System starts close to the NT / QLD border. It descends south towards Birdsville and Goyder Lagoon before flowing south west to Kati Thanda–Lake Eyre via two distributaries Warburton River and Kallakoopah Creek. This low gradient river passes through some of Australia's most remote arid and semi-arid environments including cutting through the centre of the Sturt Stony Desert at Birdsville. The combined length of the Diamantina and Warburton rivers is just over 1,400 km.