Rosario and Puerto Belgrano Railway Rosario and Puerto Belgrano Railway The Rosario and Puerto Belgrano Railway (Spanish: Ferrocarril Rosario y Puerto Belgrano, and in French: Compagnie de Chemins de Fer Rosario-Puerto Belgrano) was a French-owned railway company which operated a broad gauge, , single track line between the cities of Rosario and Puerto Belgrano in Argentina. Puerto Belgrano, near the city of Bahía Blanca in Buenos Aires Province, is the main naval base in Argentina. The original idea behind the building of the railway was to link points that were closer to either Rosario or Bahía Blanca than they were to Buenos Aires, thereby taking
Salta–Antofagasta railway diverted to the current one. The line crosses the north-western side of Salta Province, serving the suburban towns around Salta of Cerrillos, Rosario de Lerma and Campo Quijano, following part of the course of the Lerma Valley. It counts two zig zags, at El Alisal and Chorrillos, and two spiral loops between Tacuara and Diego de Almagro. Entering the plateau of Meseta, the railway passes near Santa Rosa de Tastil and the 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