From the road that winds the west side of the massif, where the Viewpoint Bizkaiko Talaia ( Balcony of Biscay) is located, conveniently track marked with signs marking the route to Oiz ( 1,029 m ) by Donesolo hill ( 550 m) ascend toward the pass Arreseburu ( 798 m ) where the chapel of San Cristobal is contact with the runway and the Oiz is made.
From the road that winds along the western side of the massif, where the Viewpoint Bizkaiko Talaia ( Balcony of Biscay) is situated, conveniently marked with signs indicating the route to Oiz ( 1,029 m ) via Donesolo hill ( 550 m) leading toward the Arreseburu pass ( 798 m ) where the chapel of San Cristobal intersects with the runway and Oiz is reached.