The Undara lava tubes were formed one hundred and ninety thousand years ago when a volcanic eruption spewed lava along creeks and riverbeds to form the lava tubes left today.
I interviewed Savannah Guide Val Speedie. Savannah guides is a network of professional tour guides with an in-depth collective knowledge of the natural and cultural assets of the tropical savannahs of northern Australia. Val has been a guide at Undara for the last ten years and has a vast knowledge of the area