Which region in Spain is renowned for producing powerful, full-bodied Garnacha-based wine?

Priorat is renowned for producing powerful, full-bodied Garnacha-based wine because of its unique terroir and winemaking techniques. The region is characterized by steep, rocky slopes and low yields, which contribute to the concentration and intensity of flavors in the wines. The combination of the Mediterranean climate and the varied soil types, including llicorella (a slate and quartzite soil), allows Garnacha (Grenache) to express its rich fruit characteristics alongside earthy and mineral notes. As a result, wines from Priorat are often robust and full in body, making this region particularly special for those who appreciate Garnacha.

In comparison, Ribera del Duero is primarily known for its Tempranillo wines, while Rioja produces a range of styles dominated by Tempranillo as well, blended with other grapes. Jerez, on the other hand, is famous for its fortified wines such as sherry, and does not focus on Garnacha as a primary variety for its wines. This context highlights why Priorat stands out for its Garnacha production.