- The highest point in Laos is Phou Bia, located in the northern province of Xieng Khuang, with an elevation of 2,819 metres (9,249 feet) above sea level.
Phou Bia is part of the Annamese Mountains, which form a natural border between Laos and Vietnam.
- The lowest point is the Mekong River, which flows along the western and southern borders of Laos and has an elevation of approximately 70 metres (230 feet) above sea level.
- The capital city, Vientiane, located in the central region of Laos, has an elevation of around 174 metres (571 feet) above sea level.