Fiestas de Oroz-Betelu y romería a Roncesvalles Activity · Oroz-Betelu/Orotz-Betelu, Prepirineo, Navarra Image of Oroz-Betelu/Orotz-Betelu, not of the place itself. Oroz-Betelu celebrates its minor festival on 16 June, in honor of San Adrián, and its main festival in August, with five days of celebration from Friday to Tuesday. In May, its residents take part together with those of the valley of Arce in a joint pilgrimage to the Virgin of Roncesvalles. 16 de junio y agosto Photo: Nafarroako Gobernua (CC BY 3.0) What to see and do in Oroz-Betelu/Orotz-Betelu