Undara Volcanic National Park
On the western slopes of the McBride Plateau, open woodlands give way to the vast open spaces of the savanna. Here in Undara Volcanic National Park, rich volcanic basalt soils, covered in a sea of seasonal grasses, conceal the Undara lava tube. This geological tunnel of global significance extends under a ribbon of remnant dry rainforest.
‘Undara’ is an Aboriginal word meaning ‘long way’. The park protects one of the longest lava tube cave systems in the world. About 190,000 years ago, a large volcano erupted violently, spewing molten lava over the surrounding landscape. The lava flowed rapidly down a dry riverbed. The top, outer-layer cooled and formed a crust, while the molten lava below drained outwards, leaving behind a series of hollow tubes.
Semi-evergreen vine thicket grows in the moist, sheltered entrances to some of the lava caves. The roofs of some tubes collapsed, creating ideal conditions for dry rainforest to grow and wildlife to shelter. Rock-wallabies, insectivorous bat colonies and owls roost here in the cool. Birds shelter in the fruit-filled canopy and predators lurk in the tumbled basalt terrain to complete the food chain.
You can only enter the caves and tubes on a commercial tour.
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