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 Cornas & St-Péray 2023: Report and top-scoring wines St-Joseph 2023: Report and top-scoring wines Decanter magazine latest issue: December 2024 Côte-Rôtie & Condrieu 2023: Report and top-scoring wines Château Mouton Rothschild 2022 label revealed