Cornudella de Montsant Main Festival Activity · Cornudella de Montsant, Priorat, Tarragona Image of Cornudella de Montsant, not of the place itself. The Festa Major de Cornudella de Montsant is held in the town that is home to Siurana, the last Andalusi stronghold in Catalonia, surrendered in 1153 to the troops of Ramón Berenguer IV. Photo: Josep Salvany i Blanch (Public domain) What to see and do in Cornudella de Montsant