The Southern and Eastern wineries lie within the large Columbia Valley AVA with 11 million acres of land in total. Most of Columbia Valley and its six sub-appellations lie in Washington State, with a small section in Oregon stretching from The Dalles to Milton-Freewater. The region is 185 miles wide and 200 miles long. Listed here are the Oregon located wineries. Fo Washington wineries visit Washington Winery Advisor.
