Priorat is one of Catalonia's most distinctive inland regions: steep slate hills, tiny stone villages and vineyards that look too stubborn to be productive until you taste what comes out of them. It sits southwest of Reus, away from the coast and the easy traffic, and that slight remoteness is part of its charm.
The region is famous for powerful red wines grown on llicorella, the dark fractured slate that defines the landscape. Wine is the reason many travellers come, but Priorat is not just a tasting-room itinerary. Falset is the practical base, Gratallops is the classic wine village, and the ruined Cartoixa d'Escaladei gives the whole area a deeper historical anchor.
The best way to see Priorat is slowly, by car, with time for viewpoints and village stops. Roads are narrow and winding, distances are deceptive, and lunch can easily become the main event. If you only have a day from Reus or Tarragona, choose one winery, one village and one walk rather than trying to collect the whole comarca.