The Ciliwung River is one of the main rivers in Jakarta, Indonesia. It flows approximately 120 kilometers through the city and surrounding areas, eventually emptying into the Java Sea. The river plays a crucial role in the local ecosystem and provides water for various uses, including agriculture and domestic needs. Historically, the Ciliwung River has faced significant environmental challenges, including pollution and flooding. Efforts have been made to improve water quality and manage flood risks, as the river is vital for the livelihoods of many communities along its banks.