Diamantina Deep Diamantina Deep The Diamantina Deep is located in the Diamantina Trench southwest of Perth, Western Australia. The Diamantina Trench is in the eastern part of the larger Diamantina Fracture Zone, which stretches from the Ninety East Ridge to the Naturaliste Plateau, off the lower part of Southwest Australia. It is one of the deepest points (surpassed by the Sunda Trench) in the Indian Ocean at . It is located about west-southwest of Perth at . A survey in 1961 by the Australian oceanographic survey ship confirmed the bathymetry and conducted a scientific survey. The trench (and the Fracture Zone) was
Shire of Diamantina Shire of Diamantina The Shire of Diamantina is a local government area in Central West Queensland, bordering South Australia and the Northern Territory. Its administrative centre is in the town of Bedourie. Like most places in Queensland with the "Diamantina" name, it was named after Lady Diamantina Bowen (née Roma), the wife of the first governor of Queensland, Sir George Bowen. It covers an area of , and has existed as a local government entity since 1879. The town of Birdsville is home to the iconic Birdsville Races, a horse race meeting to raise money for the Royal Flying Doctor