Royal Slope is state’s 15th AVA, defined by variation in elevation, slopes and aspect SEATTLE (September 2, 2020) — Royal Slope is the newest American Viticultural Area (AVA) in Washington. The Alcohol and Tobacco Tax and Trade Bureau (TTB) published the final rule for Royal Slope today, September 2, 2020, to officially define it as a […] The post Royal Slope Is Washington’s Newest American Viticultural Area appeared first on Wine Industry Advisor. Url:https://wineindustryadvisor.com/2020/09/02/royal-slope-washington-viticultural-area?utm_source=rss&utm_medium=rss&utm_campaign=royal-slope-washington-viticultural-area Published Date:Wed, 02 Sep 2020 18:10:40 +0000