Isaba/Izaba Village · Isaba/Izaba, Pirineo, Navarra Isaba/Izaba, the head town of the upper Roncal valley at 816 m altitude and 94 km from Pamplona, has 384 inhabitants (INE 2025) over 147.41 km². The valley appears documented since the 11th century in a deed of donation to the monastery of Burdaspal. During the Peninsular War, the local guerrilla forces achieved notable victories against Napoleonic troops. Photo: MirenJ (Tagzania user ID: 9387) (CC BY-SA 4.0) What to see and do in Isaba/Izaba