Gunung Mulu National Park, National park and UNESCO World Heritage Site in Sarawak, Malaysia.
Gunung Mulu National Park is a protected area in Sarawak containing vast limestone formations that hold one of Earth's largest cave systems. The park features several dramatic caves with enormous underground chambers and hidden river passages running deep within the mountain.
Scientists began expeditions into the rainforest in the 1930s, discovering important information about tropical ecosystems and geological formations. These early explorations led to the area being recognized and protected as a World Heritage Site.
The Penan and Berawan communities have lived here for generations and share their knowledge of the rainforest with visitors through park programs. You can see how these groups continue to use and protect the land in their daily interactions with this environment.
You can explore different parts of the park on foot or by boat, with accommodation options ranging from simple huts to more comfortable lodges. Flights from Mulu Airport connect the park to major cities, making arrival straightforward.
The Sarawak Chamber is the world's largest natural cave chamber and contains underground rivers plus ecosystems found nowhere else. Visitors can explore this underground world on tours and witness how life thrives in complete darkness.
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