Peterson Winery is located in the Dry Creek Valley, in the northwest region of Sonoma County. The wine list comprises Agraria, Chardonnay, Cabernet Sauvignon, Merlot, Vignobles, and Zinfandel. The majority of Peterson Winery grapes come from three locations - Norton Ranch and Bradford Mountain in the Dry Creek Valley, in northwest Sonoma County, and Floodgate Vineyard in Mendocino County’s Anderson Valley.