Alishan Alishan's sunrise, sea of clouds, sunset, forest railway, and giant trees are collectively called the Five Wonders of Alishan; the new eight scenic spots of Alishan: Tashan Strange Rock, No. 28 Giant Tree, Ogasawara Mountain, Shuishan Giant Tree, Xianglin Arch Bridge, Ciyun Scenic Spot, The Shenyi Waterfall and the sacred tree relics of Alishan are all well-known. The Alishan flower season in March and April every year is even more crowded with tourists.