Clearwater Cave

Clearwater Cave in Gunung Mulu National Park, Malaysia, contains one of the longest documented subterranean rivers in the world, with the cave system itself extending for many kilometers of mapped passages. The exact river length has been the subject of ongoing speleological surveys by international expedition teams. It remains one of the standout geological features of the Mulu park.

Visitors reach Gunung Mulu National Park by flying into Mulu Airport, which has connecting flights from cities like Kuching and Kota Kinabalu. From the park headquarters, Clearwater Cave is typically accessed via a longboat ride up the Melinau River, often combined with a visit to the nearby Wind Cave. The boat journey itself passes through dramatic limestone cliff scenery.

Yes, Gunung Mulu National Park was designated a UNESCO World Heritage Site in 2000, recognized for its extraordinary biodiversity and spectacular karst cave systems. The park contains multiple show caves including Deer Cave, Lang Cave, and Clearwater Cave. It is located in Sarawak, Malaysia, on the island of Borneo.

Yes, there is a well-known swimming area at the entrance to Clearwater Cave where visitors can swim in the cool, clear water of the subterranean river where it exits the cave system. The pool at the cave entrance is a popular spot for tourists after touring the cave passages. Water temperatures are refreshingly cool year-round given the underground source.