Located 28 km from mae sai district on Highway no.1290as the mekong and ruak rivers converge,or so-called"Sop Ruak" as an international border, Thai.This area of laso,Burma has been opium trade. panoramin view of the khongboriwen River,especially the beautiful morning sun,amid the mists on myanmar and laos. Tourist boat popular sightseeing spots of the thai- lao border convergence and myanmar