Festival of o Percebe de Corme Activity · Ponteceso, Bergantiños, A Coruña Image of Ponteceso, not of the place itself. A food festival held in the first week of July in Corme Porto, devoted to the goose barnacle prised off the rocks of Cabo Roncudo, reckoned among the finest on the whole Atlantic coast. Photo: luis vilanova (CC BY 2.0) What to see and do in Ponteceso