Maybe we should begin with the unique character of the Alishan railway. The Alishan Forest Railway is one of the most famous alpine railways in the world. It is extremely steep, with a gradient of 0.0624 at one point. The railway's most unique features are the "snail rail" and the line's unique switchback system.
阿里山森林鐵路號稱世界三大高山鐵路之一，它的斜率極大，最大坡度達到千分之六十二．四，「螺線鐵道」與「之字型路段」是最大的特色。