From a 1.30 hectare parcel with vines more than 60 years old and the oldest planted in 1930. Les Clos has a very complex geologically and Berthaut's vines grow into at least four different types of bedrock, Premeaux limestone, marly ostrea acuminata, crinoidial limestone, and alluvial stones from the Combe Laveau (Wasserman and Co.) Fully destemmed. Aged for 12 months in barrel (approximately 20% new).