The Nampot project site is located at South –west of Phaxai district with some 25 Km far a way from Phaxai center and is around 60 Km from Phonesavan district, Xiengkhouang province. The dam site is located in mountain vall about 2.5 Km from ban Phatai. The upstream of dam site is contoured with flat area and covering by paddy field, which will consider as the future water storage, in the stage of site investigation,we had indentified four alternative dam sites for further detail investigation, the first and the last dam site are far further from each other about 2.0 Km with different elevations of approximately 20 m. the water course is very steep of 2.5 - 20% ,. There is an existing road that can be accessing to dam site year round by 4WD, but access to power house, intake and power canal areas would be by only feets.