For years, the Salazar River has been sculpting the limestone rock of the Sierra de Leyre, creating a deep canyon of wild beauty: the Arbayún Gorge, 6 km long, with walls 300 m high, it is considered the queen of Navarre gorges.

It is home to the largest colony of griffon vultures in Navarre as well as other birds of prey, such as the golden eagle, the Egyptian vulture and the bearded vulture. This natural wealth has earned it the designations of Nature Reserve and Special Protection Area for Birds.

Unlike the Lumbier Gorge, this cannot be entered, but it can be seen from the Iso Viewpoint and other prepared areas. The excursion can be completed by approaching the Lumbier gorge and visiting the Gorge Interpretation Centre, where there is information about the trails, flora, fauna and culture of the gorge.

Access: The turn off to reach the viewpoint is on the NA-178 road, between Domeño and Navascués.


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