Alonso de Ercilla y el linaje bermeano Historical milestone · Bermeo, Gernika-Bermeo, Bizkaia Image of Bermeo, not of the place itself. Alonso de Ercilla y Zúñiga, author of the epic poem "La Araucana", came from the Bermeo lineage of the Ercilla family; his 15th-century tower house is preserved as the Fisherman's Museum. Photo: Garazi Peña (CC0) What to see and do in Bermeo