The Knights Valley AVA is located on 37,000 acres in Sonoma County, California. Knights Valley was formally designated an AVA in 1983. The region is the eastern most region of Sonoma before you reach Napa County. Like much of Sonoma, the soil in the Knights Valley is volcanic and well draining. Knights Valley has the distinction of being the warmest climate in Sonoma County. The valley is free from coastal breezes that are frequently found in Sonoma and results in an ideal climate for growing Cabernet Sauvignon. In addition to Cabernet Sauvignon, the region produces Malbec, Petit Verdot, Cabernet Franc, Merlot, and world-class Sauvignon Blanc.