
Danau Sentarum National Park (132 000 Ha) is situated about 700 Km in the upstream of Kapuas River. The wetlands consist of a series of seasonal lakes, riparian forest, peat swamp forest, kerapah forest, and inundated swamp forest. Some dipterocapr forest occurs in dry land areas of surrounding hills.
Lakes and streams in this park have a main hydrological function to regulate water level in the Kapuas River, and play an important role in maintaining fish biodiversity in the Kapuas. During the wet season, the Kapuas water will flow into the lakes. In contrast, the lake water will discharge to Kapuas during the dry season. Also, during dry season (between June and July) the park becomes a haven for fishing. It is a major source of livelihood for indigenous people who are living in this park region.