It is known that the road that linked Gipuzkoa with Navarra in the eighteenth century, was built with the stone of Mount Alleku. For their construction, they climbed to the wall by means of an iron staircase and extracted the stone by means of explosions.
Since the foundries began their activity, the need for coal kept burning the fire of the "txondorras". The woodcutters in this environment spent weeks and months making charcoal.
In these hillsides of Aralar, the beech is the main species, we will also find oaks and holly trees, but there is a species that inhabits the forests for centuries, the yew. It is a protected species and known especially for its hardness and the poison of its leaves.
Like eagles and vultures, we will fly over the Alleku rocks.
Our ancestors populated the caves of the environment. In them, we can find numerous remains.
In the fields next to the hamlets of Ataun, in the fields of its mountains, wheat, corn, turnips were planted ... To lower the straw from the meadows of the mountains cable systems were used to transport it to the doors of the houses .