Castro Ventosa was founded by the Perez family in 1752 and the family owns the estate ever since. The Perez family owns 75 hectares of Mencia vineyards in Bierzo making them the biggest owners of this varietal within the Bierzo D.O. The Bierzo appellation is made of 5 000 hectares with 2 500 ha planted with white varietals and 2 500 ha planted with Mencia and there are 5 000 landowners within the appellation. Raul Perez, who now runs the winery, is a figurehead for Bierzo wines in Spain. Castro Ventosa produces three different Mencia; Valtuille, El Castro de Valtuille and El Castro de Valtuille “Joven Mencia”.