Maiasang Police Post is located in the valley beside Batongguan Traversing Historic Trail on the north branch of the southeastern ridge of Mount Nandashuiku, about 2,650 meters above sea level. It was built in 1920 and the name Maiasang means ancestral home in the Bunun language. Maiasan Police Post situated in an alpine climate, mostly shrouded in white fog. The snowfall period is between November and February. At times when there was heavy snowfall, the guards at Daishuiku Police Post, which is stationed several kilometers away, will retreat to Maiasang Police Post, where there is a ravine water source nearby.
Today, the foundation where Maiasang Police Post was stationed is overgrown with Taiwan red pine, and only a few building structures and relics remain.

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