A splendid watch-tower over the estuary and the holm oak forest, situated at the summit of Atxarre mountain, 312m high.
Down below, the region of Busturialdea is formed by 20 municipalities composing in a unique environment. A natural jewel in the heart of Bizkaia with extraordinary landscape and ecological diversity.
This environment has been declared a Biosphere Reserve and a World Heritage Site by the UNESCO. This wetland shelters a worthy biological treasure where a great variety of ecosystems meet and live in communities of fauna and flora.