About Mao County: Mao County is located in the southeast of Aba Tibetan and Qiang Autonomous Prefecture. It is surrounded by Beichuan, Anxian, Mianzhu, Shifang, Pengzhou, Wenchuan, Lixian and Songpan. It is 94.8 kilometers wide from north to south and has a length of east and west. 5 km, geographical coordinates north latitude 31 ° 24 ' ~ 32 ° 17 ', longitude 102 ° 56 ' ~ 104 ° 10 ', the area of ​​3885.6 square kilometers. It is located in the transitional zone between the Qinghai-Tibet Plateau and the western Sichuan Plain. It is surrounded by mountains, peaks and peaks, deep valleys and cliffs. There are Lushan in the north, Longmen Mountain in the south and Lushan Mountain in the west. The name. The terrain is high in the northwest and low in the southeast. The altitude of the mountains is about 4,000 meters. The highest peak in the west is 5,230 meters above sea level, and the bottom of the lower reaches of the Tumen River in the east is 890 meters above sea level.