aldeadávila dam, spain

aldeadavila dam reservoir lake power station iberdrola hydroelectric energy water flowing valley river eroded mediterranean forest scrub path walk trekking route walking tour mountain ravine canyon gorge dedile riverbed geology geomorphology landscape scenery nature wildlife environment biosphere tourism ecotourism viewpoint natural park conservation area wildland recreation arribes duero salamanca castile leon spain europe aldeadapound aiexcl vila del spa sac reserve castilla leapound asup3