Mulu Caves The World Largest Underground Chamber

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Mulu Caves National Park is home to one of the longest networks of caves in the world. Here lies the worlds largest underground chamber, the Sarawak Chamber, capable of accommodating forty Boeing 747 airplanes.

In Mulu, you will also find the worlds biggest cave passage, Deer Cave, which can fit five cathedrals the size of Saint Pauls in London. Another key attraction is Clear Water Cave, the longest cave in Southeast Asia. The massive caves here are home to millions of bats and cave swiftlets that swarm out into the jungle in great clouds every evening at dusk!
The outdoorsy type will be pleasantly surprised by some of the best examples of tropical limestone weathering in the world, including enormous razor-sharp pinnacles, deep-cut canyons, appropriately named The Pinnacles. There are tough but rewarding multi-day hikes available from the resort. A guide and porter are recommended.