Helidon is a town in the Lockyer Valley region of
southeast Queensland, Australia. Helidon is
located on the Warrego Highway, 106 kilometres
(66 mi) west of the state capital, Brisbane, and 21
kilometres (13 mi) 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, and sought after
internationally for its quality, especially in China.
Helidon is also the location of a natural mineral
spring whose products were sold by the Helidon
Spa Water Company, now known as Kirks.