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
Tropical North Queensland Wet Tropics. Within the tourism industry, the phrase is used to mean varying areas of the tropical region of the state, usually within Far North Queensland. Different government departments also have varying definitions for what is meant by "Tropical North Queensland" and Tropical Australia. Tropical North Queensland Tropical North Queensland is the northern part of Queensland, Australia, an area from about the city of Mackay north to the tip of Cape York. The tropical region of Queensland covers 54% of the state's area some , and includes the whole area above the latitude 23.5 degrees south, taking in an area