Meratus Mountain lies from southern to northern of South Borneo. The range inhabited by Meratus Dayak ethnic. They settle on remote places along Meratus range. Nomadic farming, animals hunting, and ritual ceremony are part of their life. The highest part is on Mount Besar. The area is covered by tropical rain forest, river, mossy stone, and tremendous waterfall. By trekking here, you will breath the fresh of tropical forest air and whispered by the sound of mighty nature.
The Meratus mountain range area is a forest area located in the South Kalimantan province, ranging from southeast to the north and bordering the province of East Kalimantan, the protected "Green Belt." Meratus area is home to a rich flora and fauna, including endemic species of Kalimantan and several of them are species that are in danger of becoming extinct. Therefore, these species need to be protected to ensure their conservation. Old secondary growth typically has a fairly continuous canopy cover of greater than 6 metres, growth consists exclusively of dense bamboo groves which shade the ground and prevent re-entry of tree seeds. Hill dipterocarp forest is the natural vegetation of the Meratus and can be found at the west side of the Meratus mountains.The Meratus mountains contains rocks of the ocean floor, limestone and sedimentary rocks.
The Meratus Mountains is the jungle livelihood for thousands of the Dayak Meratus people. The Mountains functions as a water catchment area that guarantees regular irrigation cycles for the lower lands along the rivers.