Tags: Public Transit System.
The Tren a las Nubes or Tren de las Nubes (English: Train to/of the Clouds) is a touristic train service in Salta Province Argentina. The service runs along the eastern part of the C-14 line of the Ferrocarril General Manuel Belgrano that connects the Argentine Northwest with the Chilean border in the Andes mountain range over 4220 metres (13850 ft) above mean sea level the fifth highest railway in the world.