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Fenghuoshan Tunnel

The Fenghuoshan Tunnel (simplified, traditional, pinyin: Fēnghuǒshān Suìdào, lit. 'Wind Volcano Tunnel') is the highest railway tunnel in the world. It is 1,338 metres (4, 390 feet) long, and stands 4,905 meters (16, 093 feet) above sea level. It is part of the Qinghai–Tibet Railway, linking Qinghai and Tibet that was completed in 2006. The tunnel is located in the western, sparsely populated Zadoi County, Qinghai (the eastern edge of the Hoh Xil mountainous region between the Kunlun and Tanggula mountain ranges).

Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other tunnels in China