Geographically, South Kalimantan is in the southeastern part of the island of Borneo, has a low-lying area in the west and east coast, and a plateau formed by the Meratus Mountains in the middle. South Kalimantan consists of two main geographic features, namely the lowlands and the highlands. Lowland areas are mostly in the form of peatlands to swamps, which are rich in biodiversity sources of freshwater animals. Some highland areas are still natural tropical forests and protected by the government.