| Cao'e River Shun River, Shangyu River, Shan Stream | |
|---|---|
 | |
| Etymology | Cao E |
| Native name | 曹娥江 (Chinese) |
| Location | |
| Country | China |
| Cities | Shengzhou, Shangyu |
| Physical characteristics | |
| Source | Dapan Mountains |
| • location | Pan'an County |
| • coordinates | 29°7′20″N 120°38′5″E / 29.12222°N 120.63472°E |
| • elevation | 870 m (2,850 ft) |
| Mouth | Hangzhou Bay |
• location | Shangyu |
• coordinates | 30°13′39.5″N 120°44′55.5″E / 30.227639°N 120.748750°E |
The Cao'e River (Chinese: 曹娥江; pinyin: Cáo'é Jiāng) is one of the largest rivers in Zhejiang Province of East China, named after Cao E, a Han dynasty girl venerated for her filial piety. Its main source is in Pan'an County in the Dapan Mountains, and the river empties into the Hangzhou Bay near the Qiantang River estuary. It has a total length of 182.4 kilometres (113.3 mi), and a basin area of 5,930.9 square kilometres (2,289.9 sq mi).