The Persian chamber Orient cave Entering in complete dark when the lights are turned on the beauty of it shocks you, the chamber is about 30 metres high and has every type of formation you can think of, stalagmites, stalactite’s, shawl’s, straws, columns. The Jenolan caves are the oldest known and dated caves have 22 major caves and the Orient is one of eleven that are illuminated and open for paid tours. The area was originally inhabited by the Gundungurra people, taken on 19 April 2023 at 11 AM.