Iturissa, la ciudad vascona del valle de Erro Historical milestone · Erro, Pirineo, Navarra Image of Erro, not of the place itself. In 2012, the site of Iturissa was located between the councils of Espinal and Burguete, a Vasconic city mentioned by classical geographers alongside the Roman road that linked Astorga and Bordeaux through the Summus Pyrenaeus. At Ibañeta, in the same valley, a votive altar and other Roman objects from the 1st century have also been found. hallazgo de 2012 Photo: Jelger (CC BY 2.0) What to see and do in Erro