Argentina · Scenic
Tren a las Nubes is Salta’s high-altitude rail experience from San Antonio de los Cobres toward the La Polvorilla viaduct, available either as a rail-only trip or within a full-day bus-train-bus excursion from Salta.
San Antonio de los Cobres → La Polvorilla
Photo: Dr.Haus / Wikimedia Commons · CC BY-SA 3.0
Why this route
Choose it for the altitude and engineering: this is less about a long point-to-point train ride than about reaching an extraordinary Andean railway landscape that ordinary transport does not visit.
Our current editorial assessment, for comparing journeys, a considered judgement, not a measurement.
More subjective
Not rated yet: seat quality, onboard service, slow travel quality, remoteness.
Step-free access and assistance are set out with the practical detail further down rather than reduced to a score.
The route
The map and published route details show the verified geography and structure of the line.
The published route runs from San Antonio de los Cobres to La Polvorilla.
Key stops
San Antonio de los Cobres train stationViaducto La Polvorilla excursion stop
San Antonio de los Cobres train station
Argentina
Viaducto La Polvorilla excursion stop
Argentina
Along the line
Published highlights in the order the route reaches them.
Evidence on demand
Route, onboard, season, fit and booking detail remain available without interrupting the journey above. Unknowns stay visible.
1h
The published route runs from San Antonio de los Cobres to La Polvorilla.
Key stops
San Antonio de los Cobres train stationViaducto La Polvorilla excursion stop
San Antonio de los Cobres train station
Argentina
Viaducto La Polvorilla excursion stop
Argentina
It is a daylight run chosen for the landscape, which means the best use of the time is simply to keep looking out. It is a short hop between San Antonio de los Cobres and La Polvorilla, so the interest is concentrated rather than spread out, there is little dead time either side of the best stretches. With only a handful of calls, the journey holds its momentum from end to end.
Panoramic windows
The high-altitude tourist train is oriented around Andean landscape viewing.
1 onboard detail is confirmed against a source. Anything not listed here has not been researched yet; treat it as unknown, not absent.
Jan: The official site states departures operate throughout the year; exact dates are selected in booking.
These months show when the train runs, which is a service fact. How good each month is for the experience has not been rated yet, so no month is presented as better than another.
First-time rail travellers
Especially good
The organised bus-train-bus option simplifies a difficult high-altitude day.
Adventure seekers
Especially good
The experience exceeds 4,200 metres and reaches remote high-Andean railway country.
Photographers
Especially good
High desert, viaduct engineering and altitude create distinctive imagery.
You cannot just turn up
A reservation is required for this journey.
Booking takes some effort
Verified as difficult to book.
Prices quoted Official July-September 2026 international-adult rail-only fare; other nationality/age categories and full bus-train-bus product differ.
Not yet verified: rail pass validity. We leave these blank rather than guess.
Only the operator's website is verified for this service. Timetables, fares and reservations must be found from there. Journey length: 1h. Checked 9 Sep 2026 · Tren a las Nubes.
The detailed source record remains at the end of this guide. Review the evidence.
Your next step
Choose either rail-only from San Antonio de los Cobres or the full bus-train-bus product from Salta and reserve a dated departure.
Visit Tren a las Nubes SFTSE's website (opens in a new tab)Only the operator's website is verified for this service. Timetables, fares and reservations must be found from there.
Far by Rail is a discovery guide, not a live timetable or booking service. Confirm times, fares and availability with the operator.
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Journey information is reviewed against published material and maintained as sources change.
Last reviewed 9 Sep 2026.
Official sources
Checked 9 Sep 2026