Cave B Estate Winery Share: Banquet or Meeting FacilityConference & Retreat CentersWinery Cave B Estate Winery Visit Website Request Info 348 Silica Rd NW Quincy, WA 98848 (509) 785-3500 Hours: Hours Subject to Change call 509.785.3500 About Map About Cave B Estate WineryFine Wines, Crafted with Artistry and Passion Cave B Estate Winery is an award-winning boutique winery located in the Ancient Lakes of Columbia Valley AVA. What's Nearby? Distance: 5 10 15 20 25 50 mi.