Duiguan police post is about 10.3 kilometers from the Dongpu Mountain Pass, at an altitude of around 2,100 meters. It is a flat ground with a wide field of vision. The Bunun people call this area Taikan, which means "the corner of the road", and the Japanese transliterated it into Chinese characters. Below the Duiguan police post is a magnificient canyon terrain of the Chenyoulan Valley. While the upper stream valley is flat and vast, which is an important geographical demarcation point for Duiguan. The Yushan National Park Management Office has placed an explanation board here, introducing the several police posts stationed along the Batongguan Traversing Historic Trail during the Japanese occupation period, one of which is Duiguan which is used as an important resting stop for hikers.
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