The Dafen mountain area is located in the eastern part of Yushan National Park, in the middle reaches of the Lakulaku River. Though lacking both the imposing height and international renown of the main peak of Mt. Jade, Dafen has its own claims to fame. During the Japanese occupation era, it was the site of the famous armed resistance put up by the Bunun Aboriginal people against the Japanese.
坐落玉山國家公園東側、拉庫拉庫溪流域中游的大分山區，雖不如主峰高聳峻偉、遠近馳名，卻是日據時赫赫有名的布農族武裝抗日的「大分事件」所在地。