Rajang River
The dam site is located on the Murum River, which is in the uppermost part of the Rajang River basin, from Bintulu. The upstream of Rajang river includes four steps, which are Pelagus, Bakun, Murum, and Belaga. The Murum Hydroelectric Project is the second Step-Hydroelectric Project of the four steps, and is from the constructing Bakun Hydroelectric Project downstream.