HMAS Diamantina (K377) deepest known part of the Indian Ocean on 7 February 1960, which was named Diamantina Deep after the ship. Based in Fremantle, Western Australia, "Diamantina" remained in service as an oceanographic vessel until 1980; she briefly interrupted these duties in March 1963, escorting the royal yacht during Queen Elizabeth II's tour to Australia. "Diamantina" paid off from the RAN on 29 February 1980, and was the last World War II-era frigate to serve Australia. "Diamantina" was handed over to the Queensland Maritime Museum to be permanently berthed in the South Brisbane Dry Dock located on the Brisbane River at South
Diamantina National Park Diamantina National Park Diamantina National Park is a national park in the Channel Country of South West Queensland, Australia, west of Brisbane. Like the Diamantina River that flows through it, it is named for Lady Diamantina Bowen, wife of Sir George Bowen, the first Governor of Queensland. Established in 1993 after the Queensland Government purchased Diamantina Lakes Station in 1992 and gazetted the property as a national park with an area of , Diamantina National Park received an award in March 2007 from the World Wildlife Fund (WWF) for being among the top 10 reserves of the decade. Recognition was