Northwest of Argentina offers tourists and travellers an amazing view. The provinces of Salta and Jujuy with their warm and dry climate, the breathtaking Quebrada de Humauaca, where small towns still hold the flavor of colonial Latin America. Their unique food, along with the warmth of the native people who still today maintain their deep feelings of tradition all contribute to the splendor of this unique place. The train to the clouds (tren de las nubes) it is a big attraction here, a unique experience with rail tracks that stretch for over 450 km at an altitude of 4.500 km over the sea level. The beauty of its scenery and the colonial and baroque architecture of its cities make Salta a unique destination, where mountains and valleys, nature and culture, and the people of Salta with their way of life provide an intense and unforgettable experience for the visitor. the aluminum plant mentioned at the beginning.