Mas Doix is a highly respected family-owned winery located in the Priorat region of Spain. Established in 1998, the estate is built on a legacy of winemaking dating back to 1850. They are renowned for their old-vine Garnacha and Cariñena, grown on steep slopes of llicorella (slate) soils. 'Costers de Vinyes Velles' is their flagship wine, crafted from vines over 80 years old. It is a powerful, deeply concentrated wine with intense dark fruit, mineral notes, and a robust structure, capable of long aging.