Dauvergne Ranvier Côte Rôtie 2020Cte Rtie Syrah & Viognier Region: Northern Rhne ESTATE HISTORY In 2004, Franois Dauvergne and Jean Franois Ranvier created the DAUVERGNE ET RANVIER house, a new type of business based on in depth work in the vineyard and in winemaking. They work throughout the Rhne Valley, from Cte Rtie to the Luberon. In 2013, they took over the LIRAVEL estate in Lirac and Tavel. After renewing 70% of the vineyard, they converted the estate to organic farming.