Ischigualasto El Trapiche Merlo References External links Servicio Geológico Minero Argentino INDEC Virgin of Cuyo - Article about a famous religious statue in Cuyo Audio slideshow: Cuyo- Argentina- Argentina's vineyard. Travel writer Christabelle Dilks explains the history of wine in Cuyo and reveals the secret to Mendoza's viticultural success. Royal Geographical Society's Hidden Journeys project Regions of Argentina Wine regions of Argentina