What's the altitude in Yunnan?

The average elevation of Yunnan Province is about 2000 meters, the highest point is 6700 meters above sea level in Deqin County at the border of Yunnan and Tibet, and the lowest point is only 76.4 meters above sea level at the intersection of nanxi river and Yuanjiang in Hekou County at the border with Vietnam.

The whole province is divided into three steps, the first step is in Deqin and Shangri-La counties in northwest Yunnan, the second step is in the central Yunnan Plateau, and the third step is in the south, southeast and southwest, with an average drop of 6 meters per kilometer. Basins and plateaus are commonly known as "bazi" in southwest China.

Extended data:

The terrain of the whole province is high in the northwest and low in the southeast, and it drops step by step from north to south. From north to south, the average elevation drops by 6 meters per kilometer.

The northern part is the southern extension of the Qinghai-Tibet Plateau, with an altitude of about 3,000-4,000 meters. There are huge mountain systems such as Gaoligong Mountain, Nushan Mountain and Yunling Mountain, and the Nujiang River, Lancang River and Jinsha River are staggered from north to south. The three rivers flow in parallel, with staggered valleys and steep terrain.

In the south is the Hengduan Mountains, which are below 3000 meters above sea level, mainly Ailao Mountain, Wuliang Mountain and Bangma Mountain. The terrain gradually drops to the south and southwest, and the valley gradually widens. On the southern and southwestern borders, the terrain is gradually gentle, the mountains are short, and there are many wide valley basins. The altitude is about 800 ~ 1000 meters, and it drops below 500 meters in some areas, mainly distributed in tropical and subtropical areas.

Baidu encyclopedia-Yunnan