Salta Salta Salta () is a city located in the Lerma Valley, at 1,152 metres (3780 feet) above sea level in the northwest part of Argentina. It is also the name for the capital city of Salta Province. Along with its metropolitan area, it has a population of 619,000 inhabitants, which makes it the second most populated city in the northwest of the country. It is situated in the Lerma Valley, above sea level, at the foothills of the Andes mountains. The weather is warm and dry, with annual averages of of rainfall and an average temperature of ( in summer,
Salta–Antofagasta railway ("train to the clouds"), running between Salta and La Polvorilla. Nowadays, apart from some suburban trains running from Salta to Campo Quijano, the "Tren a las Nubes" is the only passenger train serving the line, after the cancellation of the "Tren Mixto" Salta-Socompa, that once linked Socompa with Tucumán and Buenos Aires (Retiro Station), via Córdoba and Rosario. 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. Salta–Antofagasta railway The Salta–Antofagasta railway, also named Huaytiquina, is a non-electrified single track railway line