Danau Sentarum National Park

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A vast seasonal floodplain lake system in West Kalimantan, connected to the Kapuas River and dramatically transformed by the annual flood cycle — during the wet season the lakes can expand many times over, turning forest into open water and back again within months. That flood pulse drives an unusually productive freshwater fishery that local communities have relied on for generations, and the same nutrient-rich waters support proboscis monkeys, waterbirds and the Malaysian false gharial along the forested lake margins.