The tour begins in Zerain Square (345 m), runs through Goikoaldan and surrounding Barbarimendi returns to the square. The first section shares it with the Saint Jaques Way and the GR-34 Donostia-Arantzazu, up to the Arrola River (400 m). In this section it runs through old slopes and roads through rugged forests. Following Arrola rive, with Aizkorri in front, passes through Arrolazar farmhouse towards the top of Barbariaitz (583 m). Leaving behind the farmhouses and pastures of Barbari, between forests we will descend to Gaztelumuño (510 m) and the tour ends in Zerain Square after surrounding the rock Txoritegiko Haitza. In this small tour (PR), we will cross landscapes typical of grazing and cantabrian forest: farmhouses, countryside, slums, forest, extensive meadows and pastures where we will have the opportunity to enjoy the botanical elements that make up this landscape.