Tirur River is one of the significant rivers in
Kerala. It originates from the Athavanad hills in
Tirur town of
Malappuram District. Its length extends up to 48 km. Initially, it flows towards south-west up to
Thirunavaya and twists its direction towards north-west direction. Again it turns south-west to merge with
Bharathapuzha near the port of
Ponnani. This river is a division of west coast water transport system.