Tren a las Nubes

1948217 kmSalta to La Polvorilla

CountryArgentina

Year Opened1948

Length217 km

RouteSalta to La Polvorilla

About Tren a las Nubes

The Train to the Clouds crosses the Andes of northwest Argentina. Reaches 4,220 m at the La Polvorilla viaduct, one of the highest railways in the world. Uses switchback zigzags and spirals to gain altitude. The Polvorilla viaduct is 224 m long and 63 m high.

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