Bang Lang Dam is the first of multipurpose hydroelectric power plant projects in the South, which was built to block the Pattani River. It is a clay core stone dam, 85 meters high, 422 meters long of dam crest that can collect 1,420 million cubic meters of water. There is a viewpoint overlooking the scenery of the dam, the reservoir, and the surrounding mountains beautifully. It is located at Khuean Bang Lang Sub-District. BannangSata District, Yala Province.