The Columbia River and Highway 243 rings the Wahluke Slope American Viticultural Area to the south and the west. This growing region, which includes the town of Mattawa, is one of the warmest spots in Washington.
The Columbia River and Highway 243 rings the Wahluke Slope American Viticultural Area to the south and the west. This growing region, which includes the town of Mattawa, is one of the warmest spots in Washington. Courtesy Washington State Wine Commission
The Columbia River and Highway 243 rings the Wahluke Slope American Viticultural Area to the south and the west. This growing region, which includes the town of Mattawa, is one of the warmest spots in Washington. Courtesy Washington State Wine Commission

Great Northwest Wine: Wahluke Slope forms backbone of Washington wine industry

February 01, 2017 02:17 AM

UPDATED February 01, 2017 02:17 AM

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