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冕宁县位于凉山彝族自治州北部,县城距西昌市85千米,北距成都市430千米。地理坐标为东经101°38′～102°25′、北纬28°02′～29°02′,面积4420平方千米。县城地理坐标为东经102°12′、北纬28°33′,海拔1780米。县境地处康藏高原东南边缘、横断山脉东部边缘,川西北高原和川西山地的过渡地带。山系为大雪山余脉入境后的分支,相岭山、牦牛山、锦屏山自东向西并列相南,逐渐降低。大渡河支流勒(南)垭河源
Mianning County is located in northern Liangshan Yi Autonomous Prefecture, the county seat 85 kilometers away from Xichang, 430 kilometers north of Chengdu. Its geographical coordinates are 101 ° 38 ’~ 102 ° 25’ east longitude and 28 ° 02 ’~ 29 ° 02’ north latitude with an area of 4420 square kilometers. The county’s geographic coordinates are east longitude 102 ° 12 ’, latitude 28 ° 33’ and elevation 1780 meters. The county is located in the southeast margin of the Tibetan Plateau, the eastern margin of the Hengduan Mountains, the transitional zone between the northwestern Sichuan Plateau and the western Sichuan mountains. The mountain is the branch after the entrance of the Great Snow Mountains. The Xiangling Mountain, the Yak Mountain and the Jinping Mountain run parallel to the south from east to west and gradually decrease. Dadu tributary Le (South) River source