If we leave from Zarautz, the path continues beside the San Pelaio river until it meets the sea. We are next to the Iñurritza nature reserve, from there we go up to Talaimendi. From here the route descends towards the peaceful Oribazar beach in Orio. We continue alongside the Oria estuary, and then turn right going southwards towards Aia. Route: Zarautz – Camping Talai Mendi – Biotope of Iñurritza – Gran Camping de Zarautz – Torretxo – Orio estuary – Orio – Altxerri – Foundry and mills of Manterola – Aia – Parketxea (Pagoeta Nature reserve) –Landarbide – Irusta – Aizpurua – Zarautz (San Pelaio).