The northernmost vineyard area in Argentina, the province of Salta is home to some of the world's highest and most extreme… vineyard sites – some reaching altitudes of more than 3,000 metres above sea level. Many of the vineyards sit among the mountains and along the valley of the Calchaquà River, and the climate here is extreme. At these low latitudes (24° to 26°S) and high altitudes, sunshine is intense, but the shadows cast from the mountains along with some strong winds can counteract th