Salta–Antofagasta railway

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This article is about the railway line. For the tourist passenger train service from Salta to La Polvorilla, see Tren a las Nubes.
Salta–Antofagasta railway
A train near the passing loop of Pascua, 2019
Overview
Other name(s)Huaytiquina
Native nameRamal Salta–Antofagasta
StatusActive
Owner
Line number
Locale
metre gauge
Route map

The Salta–Antofagasta railway, also named Huaytiquina,

metre gauge railway with a total length of 941 km (571 in Argentina[3] and 330 in Chile), connecting the city of Salta (Argentina) to the one of Antofagasta (Chile), on the Pacific Ocean, passing through the Puna de Atacama and Atacama Desert
.

Overview

The Argentine track (a brief portion -

Ferrocarril General Manuel Belgrano and 217 km of it are served by a touristic train named "Tren a las Nubes".[5] The Chilean track (Socompa-Antofagasta) is part of the Ferrocarril de Antofagasta a Bolivia (FCAB).[6] The "Huaytiquina", along with the Transandine (Mendoza-Los Andes to Santiago
, closed since 1984 and pending reconstruction), represent the only railway links between the two countries.

With the highest point (

fifth highest railway in the world and the third highest in South America
.

History

engineer Richard Maury (third from left) with railway workers in Salta

The construction of the railway started in 1921, to connect the North of Argentina with Chile across the Andes, and to serve the

American engineer Richard Maury,[7]
after whom one of the stations ("Ingeniero Maury") has been named.

The word "Huaytiquina" is the nickname of the railway. It refers to an ancient Andean mountain pass between Argentina and Chile, located just in north of Socompa and projected as line terminus. In 1923, after a Chilean request whose rail line arrived close to Socompa, the original project was abandoned and the Argentine route diverted to the current one.[8]

In March 2022, the Government of Salta Province met with executives of Chilean company Ferronor with the purpose of bringing back a passenger service between Argentina and Chile. The project include the reactivation of a 700-km line that joins both countries through Socompa Pass, located 3,876 mt above sea level. There is a precedent of an agreement between both parties when Belgrano Cargas and Ferronor signed in 2000 to facilitate freight transport commerce.[9]

Route

Map of the "Huaytiquina" within Argentina and Chile. The track marked with blue strips is served by the Tren a las Nubes. In the right, location of the line (blue) within South America.

The line crosses the north-western side of

Pre-Inca archaeological site of Tastil
.

It serves the town of San Antonio de los Cobres, in the middle of the Puna de Atacama, nearby copper mines. After the viaduct La Polvorilla, highest point of the line (4,220 m), the railway runs on the borders of Jujuy Province at Olacapato and, between Tolar Grande and Caipe, it crosses in the middle a dry lake named Salar de Arizaro. The station of Socompa, named after the Andean vulcan, is a bi-national station located between the Argentinian-Chilean frontier line.[11]

Entering the Chilean territory, the rest of the line crosses the municipal territory of Antofagasta, located in the homonymous province and region. Varillas and Augusta Victoria have a short industrial rail branches, the one of Varillas serving Escondida mine. At Palestina station, the line crosses the junction railway Baquedano-Aguas Blancas, named FF.CC. Longitudinal (owned by Ferronor), linking the lines Antofagasta-La Paz and Antofagasta-Copiapó. Descending the western slopes of the Andes and the Atacama Desert, the "Huayitquina" reaches the industrial complex and village of La Negra and, after 22 km, the Pacific Ocean in the port city of Antofagasta.

Train services

See also: Tren a las Nubes

Due to a presence of

Rosario.[14] The Chilean part of the line, also served only by freight trains, was the site of a proposed commuter rail line on the route running through Antofagasta.[15]

  • Train at Augusta Victoria station
    Train at Augusta Victoria station
  • El Toro viaduct, between Campo Quijano and El Alisal
    El Toro viaduct, between Campo Quijano and El Alisal
  • The Tren a las Nubes crossing a bridge
    The Tren a las Nubes crossing a bridge
  • A cargo train at Ingeniero Maury station
    A cargo train at Ingeniero Maury station
  • La Polvorilla viaduct
    La Polvorilla viaduct
  • Domingo F. Sarmiento station
    Domingo F. Sarmiento station
  • Laguna Seca station
    Laguna Seca station
  • Antofagasta station building
    Antofagasta station building

See also

References

  1. ^ (in Spanish) Salta-Socompa: 1999 timetable (source for km distances, not all stations shown)
  2. ^ Benedetti, Alejandro (December 2005). "El ferrocarril Huaytiquina, entre el progreso y el fracaso: Aproximaciones desde la geografía histórica del territorio de los Andes" [The Huaytiquina railroad, between the progress and the failure. Approaches from historical geography of territorio de los Andes]. Revista Escuela de Historia (in Spanish) (4): 123–165.
  3. ^ Timetable Güemes-Salta-Socompa
  4. ^ (in Spanish) Historical infos about the "Ramal C-14"
  5. ^ Infos, map and km at Tren a las Nubes website
  6. ^ (in Spanish) Historical infos, photos and maps at amigosdeltren.cl
  7. ^ Tren de las Nubes - Visit Argentina
  8. ^ (in Spanish) Questions and answers about the Ramal C-14
  9. ^ El tren de pasajeros que une a Salta con Chile está cada vez más cerca de volver a funcionar on Weekend magazine, 23 Mar 2022
  10. ^ "meseta" in Spanish means plateau
  11. ^ Satellite view of Socompa station at Google Maps
  12. ^ (in Spanish) "Ramal C-14" website (section "Trenes", subsection "Trenes de Carga") - Consulted on 8-4-2012
  13. ^ (in Spanish) "Ramal C-14" website (section "Trenes", subsection "Tren Mixto") - Consulted on 8-4-2012
  14. ^ Salta-Socompa: 1948 timetable
  15. ^ (in Spanish) Article about a project for an urban rail in Antofagasta (El Nortero website)
  16. ^ "Work starts on trans-Andean link". Railway Gazette International
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