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🇦🇷 Tren a las Nubes: A Sky-High Train Adventure Through Argentina's Andes Mountains

Written by Peter Lauffer
May 15, 2024

Embark on an unforgettable journey through the breathtaking Andes Mountains aboard the Tren a las Nubes, South America's most iconic train. This high-altitude adventure takes you on a 21-kilometer stretch of the historic Trans-Andean Railroad, ascending to the dizzying heights of the Polvorilla Viaduct, 4220 meters above sea level.

A Glimpse into the Trans-Andean Railroad's Rich History

The Tren a las Nubes operates on a section of the Trans-Andean Railroad, a marvel of engineering that once connected Salta, Argentina, to Antofagasta, Chile. Designed by Ricardo Fontaine Maury, the railroad features ingenious switchbacks and spirals, allowing it to conquer the challenging Andean terrain without the need for rack systems.

A colorful Tren a las Nubes train winds through the vast Andes Mountains towards the iconic Polvorilla Viaduct under a vibrant blue sky.

While passenger trains no longer run the full route, the Tren a las Nubes offers a unique opportunity to experience this historic railway and its stunning mountain landscapes.

Your Tren a las Nubes Experience

Your Tren a las Nubes adventure begins in Salta, where you'll board a comfortable motor coach for the scenic drive to San Antonio de los Cobres. From there, you'll step aboard the train and embark on a one-hour journey to the Polvorilla Viaduct, crossing bridges, viaducts, and tunnels along the way.

The Tren a las Nubes awaits departure in San Antonio de los Cobres, ready to embark on its scenic journey to the iconic Polvorilla Viaduct.

At the viaduct, you'll have time to soak in the awe-inspiring views, explore the local souvenir market, and learn about the railroad's fascinating history from bilingual tour guides. The train also features a dining car with snacks and beverages, as well as a nurse and oxygen on board for your comfort and safety.

Inside the Tren a las Nubes, comfortable seating and large windows offer panoramic views of the Andean landscape.

Don't Miss Out on this Unforgettable Journey

A ride on the Tren a las Nubes is a must-do for any adventurer seeking a unique and unforgettable experience. Whether you're a train enthusiast, a history buff, or simply a lover of breathtaking scenery, this journey is sure to leave you in awe.

Ready to experience the Tren a las Nubes for yourself? Join our 21-day tour from Buenos Aires to Lima: High Andes & Machu Picchu!

Get inspired by some photos of this amazing trip:
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