The Chiles Valley AVA is an American Viticultural Area located within Napa Valley AVA. The Chiles Valley is nestled in the Vaca Mountains on the northeast side of Napa Valley. The appellation has a cooler climate than the main Napa Valley floor due to elevations of 600-1200 feet as well as a cooling breeze from the Pacific Ocean. The most planted grapes in Chiles Valley are Cabernet Sauvignon, Zinfandel, Chardonnay, and Sauvignon blanc.