El Dorado 12-Year Rum is composed of a blend of aged rums, all at least 12 years old. The rums are distilled using a combination of stills including double wooden pot stills and are aged in bourbon oak casks. Demerara Distillers of Guyana produces El Dorado 12-year rum and is the country's last remaining distillery, with origins tracing back to 1670. The name "El Dorado" references the legendary city of gold that is said to be in the country's Rupununi region.