The southern part of the county (administratively, Qimantag Township ()), is mountainous. The highest point in Qinghai, Bukadaban Feng, is located on the border of Qinghai and Ruoqiang County. The high plateau between the Altyn-Tagh and the main Kunlun range (which includes the Ulugh Muztagh) is known as the Kumkol Basin: an endorheic basin, where several saline lakes are found. Part of Altun Shan National Nature Reserve is located in Qimantag Township, in southern Ruoqiang County.