The vineyard of Clos de l'Oratoire is located on the hillside northeast of Saint-Emilion. . . the terroir of Clos de l'Oratoire molasse Fronsac, an area of 10.32 hectares, is composed of a sub-layer and a sandy clay subsoil. . the terroir of Clos de l'Oratoire is particularly suited to varietals of Merlot (90%), Cabernet Franc (5%) and Cabernet Sauvignon (5%). The Merlot gives the wine roundness and opulence. The Cabernet Franc gives it power, the aromatic complexity and a long finish... .