What is the origin of the River Citarum on Java, Indonesia?
The Citarum River,


  originates in Situ Cisanti located at the foot of Mount Wayang, which lies to the south of the city of Bandung, and travels to the north until it empties into the Java Sea. 


Situ Cisanti is a artificial lake, about 5 to 10 ha in size, depending on which sources one reads. It is fed by seven springs: Citarum, Cikoleberes, Cikahuripan, Cihaniwung, Cisadane, Cikawudukan, and Cisanti springs. 

The picture below shows the designated origin of the Citarum River.



Aerial view of the lake.