Home Wine Grape Varieties Tinto Cao (red) Decanter Staff August 13, 2010 One of the rarest, high quality port grapes grown in the Douro Valley, highly prized for its spicy character. Written by Latest Wine News DWWA winners tasting in the heart of South Korea Historic Santorini vineyards struggle against climate change and tourism Burgundy 2024: What to expect from a topsy-turvy vintage Alto Adige: 24 expert-rated wines to try Decanter Festive Wine Guide: See 230 great buys for Christmas and New Year