This ancient cave lays beneath the natural limestone ridge in Cape Naturaliste. Beyond its centuries old crystal arrays of stalactites and stalagmites, Ngilgi Cave has a long history steeped in Aborigine culture. The local legend associated with this cave is the age old battle between good, Ngilgi, and evil, Wolgine. Naturally, as with all good lessons in morality, Ngilgi won and peace was restored. There is an Aboriginal belief that the spirit of Ngilgi still lives in the cave and is now referred to as the Great Spirit of the Ocean.
The Ngilgi Cave is more than 500,000 years old, and it was rediscovered by Edward Dawson in 1899. It was, and still remains, one of the oldest and largest caves open to the public in Western Australia. Over the century since its opening, there have a number of animal fossils found that include those of a Tasmanian tiger and ancient kangaroos.