Which of the following is not one of Oregon’s wine-producing regions?
A. Umpqua Valley
B. Applegate Valley
C. Columbia Valley
D. Knights Valley
Knights Valley is located in Sonoma County, in northern California, and is planted primarily with cabernet sauvignon grapes. The other three regions are all in Oregon and produce a range of wines. Interestingly, the large Columbia Valley wine region is not only in Oregon; part of it also falls in Washington State.