About Columbia ValleyView a map of Columbia Valley wineries
Columbia Valley is the largest of Washington State's wine growing regions, with almost 11 million acres. It encompasses a number of smaller regions, including Yakima Valley, Walla Walla Valley, Red Mountain and more. The vast area consists of a range of climates, allowing viticulturists to plant a diverse selection of grape varieties. Most wineries plant rows sparsely, which helps the vines survive the harsh winters.