Hekou Town - Kunming-Hai Phong Railway Bridge - P1380380

The Nanxi River (), also known as the Nậm Thi River in Vietnamese
Dominique Roland et Stéphanie Déro. Routard.com (Cyberterre). 2003-08-05. or Namiti,''The Railway Conquest of the World''. Forgotten Books. . pp.302-304. is a tributary of the Red River located in China's

Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the ...

province. It is a

border Borders are usually defined as geographical boundaries, imposed either by features such as oceans and terrain, or by political entities such as governments, sovereign states, federated states, and other subnational entities. Political borders ca ...

river of

Lào Cai Lào Cai () is a city in the Northwest region of Vietnam. It is the capital of Lào Cai Province. The city borders Bảo Thắng District, Bát Xát District, Sa Pa and the city of Hekou Yao Autonomous County, in Yunnan province of southw ...

, Vietnam, and Hekou, China. It flows generally north to south from Mengzi to Hekou, where it joins the Red River and flows into Vietnam. The Chinese portion of the Yunnan–Vietnam Railway was built partly along the Nanxi River valley from 1906 to 1910, linking the city of Kunming with the Vietnamese capital,

Hanoi Hanoi or Ha Noi ( or ; vi, Hà Nội ) is the capital and second-largest city of Vietnam. It covers an area of . It consists of 12 urban districts, one district-leveled town and 17 rural districts. Located within the Red River Delta, Hanoi i ...

. (originally published 1910) The mountainous terrain of the Nanxi River Valley posed special difficulties for the railway's construction; this, along with the endemic nature of

malaria Malaria is a mosquito-borne infectious disease that affects humans and other animals. Malaria causes symptoms that typically include fever, tiredness, vomiting, and headaches. In severe cases, it can cause jaundice, seizures, coma, or death. ...

in the area, led to the deaths of at least 10,000 workers in the valley.Le chemin de fer du Yunnan et les Centraliens - 1902-1910
Archives of the French Foreign Ministry, Chine, Nouvelle série, vols.498-502.
Robert Lee. University of Western Sydney, Macarthur. 11 Feb 2003. Today, the Nanxi River is known as a destination for white water rafting.

References

Rivers of Yunnan Rivers of Lào Cai province International rivers of Asia Geography of Honghe Hani and Yi Autonomous Prefecture Rivers of Vietnam {{China-river-stub