The train to the clouds (Tren a las Nubes) is not fiction. This unique railway is located in the province of Salta. First, travelers are taken by the bus from Salta (capital of the Salta Province) to the train station. The train departs from San Antonio de los Cobres and arrives in the famous La Polvorilla viaduct.
Tren a las Nubes is the third highest railway in the world where you can enjoy the Andean landscapes and culture, at the same time benefiting the local and tourist development of the regions of the Quebrada and Puna.
The whole trip takes about 16 hours. You'll have plenty of time to enjoy the spectacular mountain ranges and sky. Tren a las Nubes is a popular attraction among tourists. You should book tickets in advance due to the high demand. The tours are offered year round, but there could be seasonal closures in the summer months (December–February) due to the heavy rains.