Yushan area is an important watershed of main river systems in central, southern, and eastern Taiwan. It is the water sources of Zhuoshui River (濁水溪), Kaoping River (高屏溪), and Siouguluan River (秀姑巒溪). The Chenyoulan (陳有蘭溪), Jyunda (郡大溪), Nanzaisian (楠梓仙溪), Laonong (荖濃溪), and Lekuleku (拉庫拉庫溪) rivers are all from Yushan with V-shaped river bed. Jinmentong cliffs (金門峒斷崖) is a unique landmark along the Chenyoulan River (陳有蘭溪). It was formed when Chenyoulan River (陳有蘭溪) cuts through land traversed by a fault line, it showcases one of the best examples of headway erosion. Jinmentong cliffs (金門峒斷崖), Yunlong Waterfall (雲龍瀑布) and Yinyu Waterfall (乙女瀑布; also known as 七絲瀑布) are some popular scenic points in the park.