INTRODUCTION
Gunung Mulu National Park is located in Mulu, Sarawak (East Malaysia) on the Borneo Island. It is one of Nature’s most spectacular achievements and the ‘Jewels in the Crown’ of Sarawak’s expanding network of national park. It is also the largest national park (544 sq km) with its most famous limestone cave systems, including the world’s largest natural chamber (the Sarawak Chamber), the world’s largest cave passage (Deer Cave) and the longest cave in Southeast Asia (Clearwater Cave).