This dam can be reached by taking Highway No. 209 (Kalasin - Maha Sarakham) for 10 kilometres, turn right and drive for 26 kilometres. This earth dam is 33 metres high from water level and is 7.8 kilometres long. The dam is built across the Pao and Huai Yang rivers, creating a double reservoir. It was built to alleviate floods, help agriculture and is also used for fish breeding. The beach along the lake is a popular rest spot for locals.