The Nanning–Kunming railway, or Nankun railway (simplified Chinese: 南昆铁路; traditional Chinese: 南昆鐵路; pinyin: nánkūn tiělù), is a single-track electrified railway in Southwest China between Nanning and Kunming, provincial capitals, respectively, of Guangxi Zhuang Autonomous Region and Yunnan Province.

The railway was built from December 24, 1990, to March 18, 1997, and has a total length of 898.7 km (558 mi), including the main line of 863.04 km (536 mi) between Nanning and Kunming and a branch line from Weishe Township of Xingyi City to Hongguo Township of Liupanshui municipality, in Guizhou province.

[1][2] The Nankun Railway is a major rail conduit in Southwest China.

Major cities and towns along route include Nanning, Baise, Xingyi, Luoping and Kunming.

The bridge is 590 feet (180 meters) high and has a 420-foot (130-meter) main span.