Founded in 1985 by W. Clarke Swanson, Jr., Swanson Vineyards is dedicated to handcrafting small quantities of the finest quality Napa Valley wines. Swanson holdings total 140 acres in the renowned Oakville District, and the winery also produces Chardonnay from a vineyard it controls in Carneros. The largest estate vineyard is located in Oakville, next to such neighbors as Opus One, Groth and Silver Oak.