Kelani is a major river in Sri Lanka, flowing approximately 145 kilometers. It originates from the Horton Plains in the central highlands and travels through several districts before emptying into the Colombo harbor. The river is vital for irrigation, providing water to surrounding agricultural lands. The Kelani River is also known for its scenic beauty and recreational activities, such as white-water rafting. It is home to diverse wildlife and supports various ecosystems along its banks. The river plays a significant role in the cultural and economic life of the communities that reside nearby.