Quaking Hills Winery is owned and operated by Joanne and Keith Collard. It is situated near the Russian River on Hidden Spring Vineyard ("HSV"). The 36 acre site is in the heart of the Alexander Valley in northern Sonoma County. The rolling hills of the property make for perfect hillside growing conditions. The winery uses only fruit from HSV for all of its wines. Quaking Hills Winery produces the following wine varietals: Cabernet Franc, Cabernet Sauvignon, Merlot and Viognier.