Ron Zacapa 23 Sistema Solera Rum was first produced in 1976 to celebrate the 100th anniversary of the Guatemalan town of Zacapa. It's a rum made from raw sugarcane honey grown on the Zacapa estate high in the hills of Guatemala, extracted from the first pressing of sugarcane juice. It is then fermented using a proprietary strain of pineapple yeast and distilled in a copper-lined column still. After distillation, the rum is aged in a Solera process from a series of casks which once held bourbon, oloroso sherry and Pedro Ximenez sherry. The rums in the blend vary between 6 and 23 years of age.