What is the altitude of Changsha?

The average elevation of Changsha is 18m. The northern, western and southern edges of Changsha are mountainous, with hills in the southeast and hills in the northeast. Mountains, hills, hills and plains each account for a quarter. There are Lianyun Mountain, Dawei Mountain and Jiuling Mountain in the east of Changsha, which are arranged in a flying pattern from northeast to southwest. There are more than 5 peaks above 8 meters above sea level, and Qixingling Mountain in Dawei Mountain in Liuyang is 167.9 meters above sea level, which is the highest point in the jurisdiction. There are 13 peaks above 8 meters above sea level in the west of Changsha, and Zhanhu Lake in Qiaokou Town is 23.5 meters above sea level, which is the lowest point in the jurisdiction, with a difference of 1584.4 meters above sea level. Xiangjiang River, the first tributary of the Yangtze River, is the most important river in Changsha, running through the whole territory from south to north, with a length of about 75 kilometers, which divides the city into Hedong and Hexi. Yuelu Mountain stands on the west bank of Xiangjiang River at an altitude of 3.8 meters, and Orange Island, a 5-kilometer-long impact sandbar, lies in the center of the river, which together constitute the geomorphological characteristics of Changsha's "Landscape Island City".