Due to the Han River, Da-an River and Dajia River erosion, the entire mountain range is divided into the northern part of stage A Yushan mountain, snow-capped mountains in the central barrier and fall of the southern district of Puli three geographical areas.
Snow Mountain is located just to the center barrier, which extends radially outward, ridge Stretching northern Taiwan. Snow Mountains geology from the Eocene to Miocene sandstones of the slate and metamorphic rocks form in a relatively old age of the rock. The whole mountain is from the Auburn shale, sandstone and slate posed.
One of the five mountain ranges: Su-ao, Yilan County north near the northern Australia, the south island of Taiwan's southernmost Oluanpi, north east to south-southwest to north-north-south across the island, as the island's longest mountain range