Mesa de los Tres Reyes Nature · Isaba/Izaba, Pirineo, Navarra In the municipal area of Isaba rises the Mesa de los Tres Reyes, the highest peak in Navarre; sources vary between 2,428 and 2,446 m depending on the reference, with 2,444 m being the most commonly cited figure. It owes its name to marking the old meeting point of the kingdoms of Navarre, Aragón, and France (today, of Navarre with Huesca and with the French Béarn). Photo: Sea-Empress (CC BY-SA 3.0) What to see and do in Isaba/Izaba