Whetstone Wine Cellars is a family owned and operated winery located in the heart of Napa Valley pouring Viognier, Rose, Pinot Noir, Syrah, and Cabernet in a historic chateau built in 1885. We are open Thursday - Monday offering seated tastings and glass/bottle service from 11:00PM - 3:00PM. For day of availability, please call us at 707-254-0600