Tahona crushed, and roasted for 72 hours in a brick oven. Siembra Valles Blanco is peppery lowlands blanco that boasts the region’s famous volcanic minerality. It’s unmistakably Valles and is favored by bartenders for its versatility and character. Jimador Manuel Romero harvests agave for Siembra Valles, with Cascahuín mountain in the background. Cascahuín means “hill of light,” as the mountain attracts lightning from passing storms. It’s the defining topographical feature of the region, and all Siembra Valles tequilas are distilled at family-owned Destileria Cascahuín.