Balneario de Zaldibar Historical milestone · Zaldibar, Durangaldea, Bizkaia Image of Zaldibar, not of the place itself. In 1846 the Count of Peñaflorida opened a spa in Zaldibar that made use of the municipality's mineral-medicinal waters. 1846 Photo: Janfri (CC BY 4.0) What to see and do in Zaldibar