Located in Kunak, Sabah, Malaysia. The recreation area also provides a 119-meter long “canopy walk” facility and 40 meters high across the river till the waterfalls. Madai Cave, an integral part of the limestone hills range located within the Baturong Madai Forest Reserve. There are more than 25 caves in this area, but Madai is the biggest and best known. 

At the lower part of the cave there is a river passage, where the river comes pouring out of the hill. This cave is an important place for swiftlet birds’ nests, one of the most famous breeds among the major swiftlet nest manufacturers in Sabah.