 The overall dimensions of the cathedral are 48 metres in length, 8 metres in width across the nave and 15 metres in height to the highest point of the vault.Aire Cathedral marks a stage on the [[Via Podiensis]], one of the pilgrimage routes of the [[Way of St. James of Compostela]], running from [[Le Puy-en-Velay]] to [[Santiago de Compostela]] via the [[Pass of Roncevaux]].