Winemaking supply store. The award-winning Grist Mill Winery is located in an historic grist mill in gorgeous Beaver Valley (Kimberley Village, the Blue Mountains region). Owned/operated since 1999 by Terry & Judy Smith, the Grist Mill Winery showcases high-end, superb wines from around the world. 100% ECELLENCE & SATISFACTION GUARANTEE. Quality, honesty, integrity, fun! When ONLY the VERY BEST will do, make your favourite wines with us! We look forward to your visit!