Unión del Pueblo Navarro
Barkos acted as Nafarroa Bai's spokesperson in the City Council; in 2008, it was her turn to set the "chupinazo" off to mark the beginning of the popular San Fermín festival. In the 2011 local elections, Barkos retained her seat as councillor and her position as Nafarroa Bai's spokesperson; Enrique Maya from Navarrese People's Union was invested mayor by the City Council.