Just north of Healdsburg lies one of Sonoma County’s finest winegrowing regions: the Alexander Valley. Known for its diverse soils and complex geology, the warm Alexander Valley is well suited to red Bordeaux varieties, particularly Cabernet Sauvignon. The area’s special pockets of gravelly soil bear remarkable similarity to those of Bordeaux, creating elegant wines with concentration and longevity. Red Fan Vineyard is named for the clay loam soils at the vineyard base that rapidly fan out to become shallow, red volcanic gravel on the upper ben