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• The valley is formed by the Purisima Hills and San Rafael Mountains to the north and the Santa Ynez Mountains to the south
• Approved AVA in 1983
• Chardonnay is the most planted grape varietal in the cooler, western portion of the valley
• Rhône varietals are more successful in the east (Syrah, Viognier, Roussanne, Grenache, Mourvedre and Marsanne)
• Botrytis cinerea can flourish here allowing some outstanding dessert wines to me produced