Group of numerous short lava tubes, the longest are Barkers Cave (905 m) and Bayliss Cave (more than 1300 m). Created by the lava flows of Undara Volcano some 190 000 years ago. The whole system of the former lava cave is 160 km long – the world’s longest but now it is dissected into numerous shorter segments.

Location, GPS coordinates: 18.2235 S 144.5763 E
Categories: Caves
Values: Geology, Visual
Rating: 3 out of 10 stars
Where is located? Australia and Oceania, Australia, Queensland, Undara Volcanic National Park

Undara Lava Tubes on the map
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