7Tren A Las Nubes, Argentina
Tren A Las Nubes, a.k.a. “train to the clouds”, is a train service specifically for tourists. Originally based in the province of Salta, it ran 4,220 meters above mean sea level making it the fifth-highest railway in the world. It traveled along the eastern portion of the C-14 or Salta-Antofagasta railway line, which joins the northwestern section of the country with the Chilean portion of the Andes Mountains.
It was closed for nine months in 2014. That summer a train went off the tracks close to Abra Munano at a height of 4,000 meters. Almost 400 passengers were evacuated. Much of the track has since been restored although the government more recently began running the heritage railway out of San Antonio de los Cobres.
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