To cover the Oma vale is to discover, without any doubt, one of the most authentic, surprising places and better preserved than Biscay.

A humanized scenery, where the art Agustín Ibarrola appears in all his dimension, from that one that the first inhabitants of these bequeathed to us grounds, up to the Animated Forest conceived by the painter - sculptor vizcaíno.

But to walk along the vale, not only is an art, in the strict sense, but it is to admire his mills, his hamlets of medieval origin, his chapels.