The elevation of Liu Yi Mountain is about 784 meters, and it belongs to the Wushan Mountain system of the Alishan Range. It marks the border between Kaohsiung’s Jiaxian district and Tainan’s Nanhua district, and it was a popular hiking route during the Japanese occupation. The trail was developed along the ridge and follows the layout of the old Japanese-era paths. It uses natural ecological construction with a wood‑grain‑patterned timber board surface, and the total length is about 4.35 km. There are four trailheads from north to south: Shide, Gongguan, Baie, and Zixia. A single‑trip hike takes roughly three hours. Along the way there are many tree species, and each season attracts different flowering plants. In winter the entire area is covered in blooming plum trees, filling the air with fragrance and a dreamy beauty. Looking west, east, and south you can view the Nanhua Reservoir, the Central Mountain Range, and the Wushan system of Alishan. The wide views are ideal for watching sunsets. The route also features a lake view platform, a plum‑view platform, the Sanjiao Point Liu Yi Mountain Memorial, the Yakou Viewpoint, and the Gouba Pavilion, among other attractions. It is classified as a national‑level health trail by the Forestry Bureau.