Bang Lang Reservoir

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Bang Lang Reservoir
Location Yala Province
Coordinates 6°9′20″N 101°16′25″E / 6.15556°N 101.27361°E / 6.15556; 101.27361Coordinates: 6°9′20″N 101°16′25″E / 6.15556°N 101.27361°E / 6.15556; 101.27361
Type Reservoir
Primary inflows Pattani River
Primary outflows Pattani River
Basin countries Thailand
Water volume 1,420 million cubic metres (1,150,000 acre·ft)

Bang Lang Reservoir (Thai: อ่างเก็บน้ำบางลาง) is the largest reservoir in Yala Province, Thailand. The reservoir is located on the Pattani River in Southern Thailand.

The reservoir's dam, Bang Lang Dam, is 85 metres high with a crest of 422 metres long, and the reservoir has a capacity of 1,420 million cubic metres. It is used for irrigation and flood control as well as to produce 72 MW of electricity.


The construction of the dam was approved on April 3, 1973, and construction started in July 1976. In June 1981 the dam was completed. It was officially inaugurated on September 27, 1981 by HRH Princess Maha Chakri Sirindhorn.

The reservoir displaced Ban Toh; in 2016 drought made the village come into plain view again.[1]


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