About Gunung Mulu National Park
Gunung Mulu National Park is a UNESCO World Heritage Site in Miri Division, Sarawak, on Malaysian Borneo. Covering 52,864 hectares of tropical rainforest and limestone karst, it is renowned for its extensive cave systems, including Sarawak Chamber, one of the world's largest cave chambers, and Deer Cave. The park protects exceptional biodiversity, dramatic pinnacles on Gunung Api, and is a leading destination for caving, trekking and nature tourism.
Visitors guide
Visitors can expect a remote rainforest park centered on massive limestone caves, dense primary forest and karst pinnacles. Exploration is guide-led and includes show caves such as Deer Cave, Lang Cave, Wind Cave and Clearwater Cave, a 480m canopy skywalk, jungle trails, river boat rides, and the evening bat exodus from Deer Cave. Accommodation and visitor facilities are concentrated at Park Headquarters near Mulu Airport, with more strenuous multi-day treks to the Pinnacles and Gunung Mulu summit.
Key highlights
- 01
UNESCO World Heritage Site inscribed in 2000 for karst, caves and biodiversity
- 02
Deer Cave - one of the world's largest cave passages and site of evening bat exodus
- 03
Sarawak Chamber - one of the world's largest underground chambers
- 04
Clearwater Cave system - one of the longest cave systems in Southeast Asia
- 05
The Pinnacles on Gunung Api - dramatic limestone pinnacle formations
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Mulu Canopy Skywalk - 480m long canopy walk through rainforest
- 07
Exceptional biodiversity with thousands of plant species and diverse wildlife
History of Gunung Mulu National Park
Gazetted as a national park in 1974 and inscribed as a UNESCO World Heritage Site in 2000 for outstanding geological and biological values. International scientific attention grew after the Royal Geographical Society Mulu Expedition in 1977-1978 which documented its extensive cave systems and biodiversity.
Culture & Context
Located within traditional lands of the Penan and Berawan communities; caves and forests hold traditional cultural importance and the park incorporates community-based tourism and interpretation of indigenous heritage.