Shu’anbu is located at the lowest saddle on the ridge line of Mount Beikeng and Luchang Dashan, about 2,000 meters above sea level. It is a small flat land but was the transportation hub between Shangdao Hot Spring, Luchang Dashan, Luchang, Shu, Beikeng and other transportation hubs during the Japanese occupation. In the past, there used to be huts for people to rest.
Today, Shu’anbu is covered in overgrown miscanthus, making it difficult to look out at the scenery. Also, no items left from the Japanese occupation period have been found. The section of the historic trail leading to Sishui Police Post has been seldom used and the road conditions are not suitable for hiking.