 Its boundaries are detailed in Code of Federal Regulations, Title 27 Chapter I Part 9 section 89(C).Umpqua Valley includes two sub-appellations, the Red Hill Douglas County AVA and the Elkton Oregon AVA.Grapes grown here include Pinot noir, Pinot gris, Tempranillo, Cabernet Sauvignon, Chardonnay, Riesling and more.