The Aconcagua Valley takes its name from the striking Mt. Aconcagua, the highest mountain in the Andes. A crucial water supply is found in the meltwater from the mountain's snow caps, providing much needed natural irrigation to one of the driest and hottest inland regions in Chile. The region is more famed for its reds, particularly Cabernet Sauvignon. The best red wines are found in the middle ground where an attractive combination of both inland and coastal influences can be found, however the coastal sub-regions of Aconcagua, such as San Antonio and Casablanca are producing some of the country's most successful cool climate varieties thanks to the Pacific's cooling influence.