Mammoth Cave is a large limestone cave south of the town of Margaret River in south-western Western Australia, and about south of Perth. It lies within the Leeuwin-Naturaliste National Park and is surrounded by karri and marri forest. There have been extinct animal fossils found in Mammoth Cave. Exploration The cave is long and deep. It has been known from about 1850 to European settlers of the Margaret River district, but it was not explored until 1895. Its first explorer, Tim Connelly, who was appointed caretaker of the cave, conducted tours by lamplight until 1904 when electric lighting was installed. Fossils The cave has been studied for over a century. It has yielded fossils of Pleistocene fauna over 35,000 years old, including those of thylacines and the giant marsupial herbivore Zygomaturus. Notes External links Show caves in Australia Pleistocene paleontological sites of Australia Margaret River, Western Australia Limestone caves Caves of Western Australia Leeuwin-Naturaliste National Park