Due to a cooling in the climate, human habitat moves towards the Bay of Biscay side. Human site, Urtiaga cave in Deba of Cro-Magnon type. It may be deduced, though with some reservations, that the Basque ethnic group comes from the Cro-Magnon race. Parietal Art in Ekain and Altxerri. Raise in temperatures.
Man leaves the caves, and moves closer to the river valleys.
The forests cover the country. Oriented toward cattle raising. Transhumance will give rise to some changes in the autochthonous ways of life. Burials in sepulchral caves and dolmens. Dolmens in Jaizkibel, Landarbaso, Aitzkorri, Altzaina and Ataun.