She also worked for the newspaper Navarra Hoy and from 1990 onwards for the main Basque broadcaster Euskal Telebista as newsreader and Madrid correspondent.

[3] In Congress she worked to promote Basque language and culture in Navarre, although she was criticised by Batasuna, which was not part of the NB coalition.

Barkos was Nafarroa Bai's candidate for Mayor of Pamplona at the 2007 local elections, obtaining 28.851 votes (26.26%) and 8 city councillors out of 27.

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.