Millions of bat swarms out out of the Deer Cave in order to hunt for insects at dusk, usually about 5pm to 7pm. On some occasions they have been known to fly out at 4pm, usually on darker, cloudy days.
Gunung Mulu National Park is one of Nature's most spectacular achievements and the 'jewel in the crown' of Sarawak's expanding network of national parks and is a UNESCO World Heritage Site.
Royal Mulu Resort was built on wooden stilts above the ground and linked by wooden walkways, the Resort stands on the banks of the Melinau River, in the midst of a breathtaking natural splendor in exotic Sarawak, Borneo.
The story begins with a Mr. C.C. (Claude Champion) de Crespigny, then the Resident of Baram, who was the first to record the presence of oil in Sarawak. The entry in his diary, dated 31st July 1882, refers to oil discovered in some 18 wells dug by hand by the local inhabitants.