Porrera Main Festival Activity · Porrera, Priorat, Tarragona Image of Porrera, not of the place itself. The Festa Major de Porrera is held in a town known for its red wines, made from old garnacha and cariñena vines planted on steep costers that give minimal yields and highly concentrated grapes. Photo: Viquipèdia / Wikimedia Commons (CC BY-SA) What to see and do in Porrera