page_title: Hong River
hierarchical_section_title: Hong River
caption_attribution_description: English: Red River. View from a Chuong Duongbridge in Hanoi Polski: Rzeka Czerwona. Widok z mostu w Hanoi
context_page_description: The Hong River, also known as the Red River, the Hồng Hà and Sông Cái in Vietnamese, and the Yuan River in Chinese, is a 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.
context_section_description: The Hong River (simplified Chinese: 红河; traditional Chinese: 紅河; pinyin: Hóng Hé; Vietnamese: Sông Hồng), also known as the Red River, the Hồng Hà and Sông Cái (lit. "Mother River") in Vietnamese, and the Yuan River (元江, Yuán Jiāng Nguyên Giang) in Chinese, is a 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.
caption: The reddish-brown heavily silt-laden water gives the river its name. View from bridge in Hanoi, Vietnam
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