The Citarum basin is one of the largest river basins in West Java, Indonesia. It is renowned for its significant ecological, economic, and social importance. The basin encompasses a diverse range of landscapes, including mountainous areas, plateaus, and lowlands. The Citarum River, the main watercourse in the basin, plays a crucial role in supporting agriculture, fisheries, and hydropower generation for the region. However, it faces numerous challenges such as pollution, deforestation, and water scarcity, making it a critical area for conservation and sustainable management efforts.