茂县(即原茂汶羌族自治县)行政上隶属于四川省阿坝藏族羌族自治州,是中国目前羌族人口聚居最多的县,位于四川西北部的岷江上游地区,地处川西北高原向川西平原过渡的高山峡谷地带。县境北部有岷山山脉,东南部有龙门山脉由东北向西南延伸,西部有邛崃山脉。除东部土门区为半山地带外,其余均为高山峡谷地区,境内山峰耸峙、重峦叠嶂、河谷深邃、悬崖峭壁,素有“峭峰插汉多阴谷”之称。茂县地势西北 Maoxian (ie, Maowen Qiang Autonomous County) is administratively affiliated to Aba Tibetan and Qiang Autonomous Prefecture in Sichuan Province and is the most populated county in China for Qiangs. It is located in the upper reaches of Minjiang River in the northwest of Sichuan Province and is located in the high mountain Canyon area. Minshan Mountains in the northern part of the county, there are the southeastern Longmen Mountains from northeast to southwest extension, western Xunyi mountains. In addition to the eastern Tumen area for the Mid-levels, the rest are alpine gorge area, the territory of the peaks rise, heavy mountain ranges, deep valleys, cliffs, known as Maoxian terrain northwest