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 state.
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 state. Andrea Johnson 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 state. Andrea Johnson Washington State Wine Commission

Northwest Wine: Wahluke Slope forms backbone of Washington wine industry

February 02, 2017 03:00 PM

UPDATED February 02, 2017 03:00 PM

More Videos

  • Why was it so foggy in Whatcom County this morning?

    Check out the fog that ruled through parts of Whatcom County on Monday morning, Dec. 11. Stagnant air can trap pollutants near the surface, causing poor air quality. An air stagnation advisory is in effect until Thursday afternoon, according to National Weather Service.