Kolay Mirica Falls is one of the best places in the Gawler Ranges National Park where you can explore the organ pipes – unique volcanic rock formations.
Park is located in 40 kilometers north off Eyre Highway in South Australia, the road from Wudinna is the most convenient way to get there.
Due to the volcanic history of the Gawler Ranages some 1500 million years ago, the Gawler Ranges National Park exhibits one of the largest in the world exposures of the volcanic rhyolite also known as organic pipes.
Remains of extinct volcano form mountains of the Mount Kaputar National Park.  Signs of the ancient (17-20 millions year ago) volcanic activities, lava terraces and dramatic landscapes surround the peak of the Mount Kaputar that reaches 1510 meters high.