One of just two American Viticultural Appellations (AVA) in Arizona, Sonoita is located in Santa Cruz County in the far southern reaches of the state, south of Tuscon, near the border with Mexico. The growing area is surrounded by three mountain ranges, and plantings are between 45000 and 5000 feet above sea level, among the highest in the US. There are more than 200,000 acres planted here; varieties include Cabernet Sauvignon; Cabernet Franc; Merlot; Pinot Noir; Sangiovese, Viognier and Chardonnay. (Wine/Appellations)