Besaide, el mojón de las tres provincias Curiosity · Elorrio, Durangaldea, Bizkaia Image of Elorrio, not of the place itself. On Mount Besaide (555 m), within Elorrio's territory, lies the exact point where the boundaries of Bizkaia, Gipuzkoa and Álava meet, marked by a stone boundary marker. Photo: Zarateman (CC0) What to see and do in Elorrio