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| This is a type of relief produced in limestone, which is prolific in this area and caused by erosion. The rock dissolves due to constant contact with water and a series of superficial and subterranean forms are produced.
Karstic landscapes can be found on many of the routes in the region: the area surrounding “el Santuario de San Miguel”; closed valleys (Ata); depressions (“Campas de Albi”); caves (Alli and Aldatz); and chasms and springs where the underground streams reappear (the river Larraun, which has its source close to Baraibar, disappears underground and reappears again in Iribas). |
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