Kashan is located in Laiyi Township, Pingtung County, on the north side of the mountain, at about 1,250 meters above sea level. Kashan has a section of the Kunlun’ao Trail, which was the first road excavated to manage indigene in the Qing period. During the Japanese occupation, the Government-General in Taiwan used part of the Kunlun’ao Trail as a Lifan road (indigene management route), starting from Chaozhou in the west, passing through Laiyshe, and arriving at the Guloushe. From the east, the trail goes from Jinlunshe, passing by the Huangshe and reaching the Zhuyegeshe. The middle section that crosses the central mountain range is left unused.