Àgbègbè wo ní Washington ni wọ́n mọ̀ jù lọ fún ṣíṣe wáìnì?
Agbegbe Columbia Valley American Viticultural Area, ni Columbia Valley Plateau ti awọn agbegbe aringbungbun ati guusu ti ipinle, jẹ olokiki fun iṣelọpọ ọti-waini rẹ.