Helidon, Queensland Helidon, Queensland Helidon is a town and locality in the Lockyer Valley region of southeast Queensland, Australia. Helidon is located on the Warrego Highway, west of the state capital, Brisbane, and east of Toowoomba. The town had a population of 1,053 at the 2011 census. Helidon is known in Queensland for its high quality sandstone, used extensively in private and public buildings in the state and elsewhere, including Brisbane City Hall, Brisbane Treasury Building, University of Queensland, and sought after internationally for its quality, especially in China. Helidon is also the location of a natural mineral spring whose products were
Barringun, Queensland entitled "His Majesty's mail" (1922). Barringun has a heritage-listed site on the East Bank, Warrego River at the border with New South Wales. The Zero Obelisk marks the beginning of the first official survey of the border between the two colonies. Barringun, Queensland Barringun is a rural locality in Paroo Shire, Queensland, Australia, on the border with New South Wales. It is on the road between Cunnamulla, Queensland and Bourke, New South Wales. To the north of the locality is Binya National Park. Barringun is also the 'capital' of the self-proclaimed Murrawarri Republic. The name "Barringun" derives from an early