The Arribes del Duero Environmental Cruise tours the spectacular vertical cliffs of the Duero International, on the border between Zamora (Spain) and Miranda do Douro (Portugal). During the journey, the technicians of the Biological Station interpret the ethnographic resources, fauna, flora and geology of the spectacular cliffs of the park. Upon return to the International Biological Station, the tour includes a tasting of port wines, a visit to the Douro Valley Shop and facilities with otters and other species of the EBI’s Animal Therapy Program. Link: https://duerodouro.org/espacio-de-ecoturismo/crucero-ambiental-arribes