Located in Dege County, Ganzi Prefecture, Sichuan Province. The main peak of Queer Mountain is 6168 meters above sea level. The mountain is upright and the wall is on top of ten peaks of 5500 meters around. Therefore, there is the saying "climb up Queer Mountain, whip the sky". The mountain is composed of granite intrusive bodies. After the action of running water, glaciers, Shifeng, the ridge is jagged. There are more than 30 glaciers of size, with an area of 80 square kilometers, second only to Gongga Mountain. Queershan Sichuan-Tibet Highway at an altitude of 4889 meters, is the highest road in Sichuan-Tibet Highway, and the famous danger on Sichuan-Tibet Highway. Now the Tongqueershan Tunnel is built from the east to Shangwangxuan Station Road, the lower to the Queershan Mountain Mountain, and the east to Dexing Road; the tunnel line length is 12.997 kilometers, and the main hole is 7079 meters long.