Go au naturel--find organic grapes and fantastic wines here.. In Short Cooper Mountain is a volcano not far from Portland whose only eruptions these days are of the viticultural kind. On its flanks grow 75 acres of the three most successful varietals
for western Oregon: Pinot Noir, Pinot Gris, and Chardonnay. With 40 new acres not far away, Cooper Mountain sells much of its fruit to other vintners--but what it keeps, it treats well.…