Domaine Saint Prefert Chateauneuf du Pape is a blend of 90%, old vine Grenache, 5% Mourvedre and 5% Cinsault. The old vine Grenache is on average more than 75 years of age. The grapes are not destemmed. The wine is aged in a combination of demi-muids and French oak barrels for an average of 18 months before bottling. Close to 350 cases are made each year.