Meratus

a mountain range on the southeastern part of the island of Kalimantan, in Indonesia. Length, approximately 350 km. Elevation, to 1,892 m (Mount Besar). Mountains of medium elevation with rounded peaks and greatly dissected slopes predominate. The range is composed of granites, limestones, and crystalline schists. There are evergreen equatorial rain forests on mountain lateritic soils on the slopes.