mt coolum, sunshine coast, queensland, australia

aerial airport appear around australia away began being can clearly climb coast coastal columns cooling coolum covering created creek dips dome eroded erosion exposing found glass green hard have hexagonal horizontal house intrusion isolated laccolith large layer low magma margin million molten most mount mountain mountains myrtle nearly outward passes peak peaks prominent pushed resistant rhyolite rock rural sandstone scenic several shaped softer solidified steps summit sunshine time volcanic walk years