Winery list for Columbia Valley

• Washington's largest viticultural region, covering almost 11 million acres (4,451,700 hectares) representing a full third of Washington State's land mass.
• More than 40,050 vineyard acres (16,207 hectares) of wine grapes planted.
• Columbia Valley's vast size allows for a number of meso and micro-climates.
• Vineyards planted on predominately south-facing slopes, increasing solar radiation in summer and promoting air drainage in winter.
• Merlot is the most widely planted varietal, followed by Cabernet Sauvignon and Chardonnay.
• Riesling and Syrah are also planted in significant quantities.
• Growing season of 180-200 days with annual rainfall averaging 6 to 8 inches (15-20 cm).
• Columbia Valley contains Red Mountain and both the Yakima and Walla Walla Valleys within its borders.