Wine Region Blog - Uco Valley, Mendoza Province, Argentina Uco Valley, Mendoza Province, Argentina Uco Valley in Argentina has been referred to as the New Napa Valley of South America. Set in the Mendoza Province and approximately 600 miles west of Buenos Aires, it is known for its continental climate with four distinct seasons, higher elevations, endless supply of water, long growing
season, and fertile sandy soil creating the perfect environment to grow and produce top quality wines. Argentina has three main wine regions, the North, Patagonia and Cuyo. The three sub-regions in Cuyo are La Rioja, San Juan and Mendoza. Mendoza is known for its tourist friendly wineries that offer free tours and wine tasting. Argentina is the largest wine exporter in South America and from the 1990’s forward became a top exporter of quality wines. Sixty percent of Argentine wine originates from Mendoza and its sub regions. This province rarely faces insects, fungi, molds or grape diseases due to its climate conditions and location. Surrounded and isolated by mountains and the sea, little to no pesticides is used and in November of 2010, the Argentine government declared wine as Argentina’s national liquor.