Map Of Wineries

Napa Valley, known for its premium wine production, covers about 500 square kilometers and is home to over 475 wineries. Sonoma County is even larger, with an area of 4,500 square kilometers and around 425 wineries. Mendocino, though smaller, with an area of 3,800 square kilometers, has about 120 wineries and is known for its environmentally sustainable production.