Sip back and discover the Northern Territory of Australia and explore the geodiversity of the Karlu Karlu the Devils Marbles. This geologically and culturally significant site is located 96 Km of Tennant Creek and roughly a 4 hour drive north from Alice Springs on the Stuart Highway. Karlu Karlu is 18Km2 conservation Reserve featuring clusters of scattered massively rounded granite boulders that began to form between 1.6 - 1.7 billion years ago during the Paleoproterozoic era