Merbok River

The Merbok River () is a river in Kedah, Malaysia. Its sources are at Mount Jerai and Sungkap Forest. After the confluence of Bongkok and Lalang River it carry its name. Other tributaries are Petani and Bujang River. The river mouth is around 2.5 km wide.
It is best known as the historical river of Lembah Bujang.