Spain recognizes several levels of aging:
Vino Joven, sold with little or no aging in the year following the harvest
Crianza, aged for two years, with at least six months in cask
Reserva, aged three years with at least one of them in cask
Gran Reserva, aged at least five years with at least two in cask
In Rioja, Ribera del Duero and Navarra, Crianzas must be aged at least 12 months in cask.
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