This is. To remove areas of high mountain and plateau region come together and be 3 to 4 in all areas of Laos. The highest point of which is Laos Phu BIA. In Xieng Khouang, the height measurement is 2817 m (9242 ft.)
When bringing the area of high mountains and highlands come together and be more than 3 in 4 of the total area of Laos. The highest point of Laos is Phou Bia. In Xieng Khouang Measure the height is 2,817 meters (9,242 feet).
However, the area of high mountain and plateau region together, will come 3 in 4 of area of Laos. The highest point of Laos in phoU BIA in xiangkhouang province. Measure the height, 2 817 meters (9 242, feet).