The Vale of Yerri that forms town hall this one composed for: Alloz, Arandigoyen, Arizala, Arizaleta, Azcona, Bearin, Erául, Grocin, Ibiricu, Iruñuela, Lácar, Lorca, Murillo, Murugarren, Riezu, Ugar, Villanueva, Zábal and Zurucuáin. The capital is Arizala, where town hall is . A vale was eminently a stockbreeders and farmer, but the exclusive dedication to this sector is losing importance. vale is furrowed by the rivers Iranzu and Ubagua. With regard to flora, the vegetation is changed as the morphology of area. As tourist attraction is necessary to indicate the natural environment of the Towns, the possibilities of the practice of the senderismo and Alloz reservoir. Average altitude: 538m. It distances Pamplona: 38 km Climate: subMediterranean, to the N, and even Atlantic to NOT, medietrráneo to the S. Temperatures: between 8º-13º C. Precipitations: between 500-1800 mm, fallen down in 80-160 days. (source Navarre, official page of the Government)