- Winter Brook is a boutique vineyard, winery and tasting room located in the West Tamar Valley, run by husband and wife team Sandy and Adam Gibson. We produce premium cool-climate wines that are ‘made’ in our vineyard and refined in our winery, using minimal intervention. We grow rare varieties such as Dornfelder and Blaufränkisch We are boutique vine and wine producers and offer cellar door wine tastings, sales, and local cheese and cured meats, in the Tamar Valley. Try our exclusive 100% estate-made, high-quality, handcrafted cool climate wines of an exceptional standard.climate wines of an exceptional standard.