From Wikipedia - Reading time: 4 min

The Kedah River (Malay: Sungai Kedah) is a river in Kedah, Malaysia. The river passes through Alor Setar and empties into the Straits of Malacca at Kuala Kedah. Its volume is about 3695 km3.[1]
6°06′N 100°17′E / 6.100°N 100.283°E