Honghe River Valley in Yunnan
Chinese Name:云南红河谷
English Name: Honghe River Valley in Yunnan
The Red River, also known as the Hong River (traditional Chinese: 紅河; simplified Chinese: 红河; pinyin: Hóng Hé; Vietnamese: Sông Hồng; Chữ Nôm: 瀧紅; Chữ Hán: 紅河), the Hồng Hà and Sông Cái (lit. “Mother River”) in Vietnamese,[citation needed] and the Yuan River (元江, Yuán Jiāng Nguyên Giang) in Chinese, is a 1,149-kilometer (714 mi)-long river that flows from Yunnan in Southwest China through northern Vietnam to the Gulf of Tonkin. According to C. Michael Hogan, the associated Red River Fault was instrumental in forming the entire South China Sea at least as early as 37 million years before present. The name red and southern position in China are associated in traditional cardinal directions.
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