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Columbia Valley
Columbia Valley
Washington
The Columbia Valley riversystem is by far the largest viticultural region in Washington and it encompasses many smaller AVAs.
This region is far from the coast and some parts receive less than 6 inches of rain per annum. It also extends partially over
the border into Oregon.
Subappellations:
Horse Heaven Hills
Vineyards & Wineries:
Chateau Ste. Michelle
Columbia Crest
Columbia Winery
Covey Run
Domaine Ste. Michelle
Hogue
Red Diamond
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