Mainling is located in the central-west of the Nyingtri Prefecture, at the middle reaches of the Yarlung Tsangpo River, and between the Nyenchen Tanglha Mountains and the Himalayan Mountains. It de jure covers an area of 9,490 square kilometres, including the area claimed but de facto under control of the Arunachal Pradesh, India. The average altitude is 3,700 metres above sea level.
Climate
Climate data for Mainling, elevation 2,950 m (9,680 ft), (1991–2020 normals, extremes 1981–2010)
The main economy style in Mainling is farming and forest industry. The main species of the trees are fir, spruce, pine, oak, and cypress, etc. The total cumulation volume of woods is 40 million cubic metres. The special fruit productions are apples, apple pears, walnuts and peaches.