Smooth and balanced, we review the Banshee Sonoma County Pinot Noir found at Costco. 100% Pinot Noir from vineyards in Los Carneros, Petaluma Gap, Sonoma Coast and Sonoma Valley sub-appellations of Sonoma County, California. The wine was aged for 8 months in 25% new French oak (Cavin, Rousseau, Remond, Francois Freres, D&J, Marsannay and Tremeaux) barrels.