Nantzuhsien River

Qishan River
The confluence of the Qishan and Gaoping Rivers
Country	Taiwan
Physical characteristics
River mouth	Ligang/Qishan 22°49′55″N 120°28′01″E / 22.832°N 120.467°E / 22.832; 120.467Coordinates: 22°49′55″N 120°28′01″E / 22.832°N 120.467°E / 22.832; 120.467
Length	117 km (73 mi)
Discharge	Location: Nanfeng Bridge Minimum rate: 0.1 m3/s (3.5 cu ft/s) Average rate: 30 m3/s (1,100 cu ft/s) Maximum rate: 1,298 m3/s (45,800 cu ft/s)
Basin features
River system	Gaoping River
Basin size	842 km2 (325 sq mi)

The Qishan River (Chinese: 旗山溪; Hanyu Pinyin: Qíshān Xī; Tongyong Pinyin: Císhan Si; Wade–Giles: Ch'i²-shan¹ Hsi¹) or Nanzixian River (Chinese: 楠梓仙溪; Hanyu Pinyin: Nánzǐxian Xī; Tongyong Pinyin: Nánzǐhsian Si; Wade–Giles: Nan²-tzu³-hsien⁵ Hsi¹) is a tributary of the Gaoping River in Taiwan. It flows through Chiayi County, Kaohsiung City, and Pingtung County for 117 km.