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Location and access


The Basondo Valley and Oma Valley are located to the north-east of the town of Kortezubi, on the right bank of the mouth of the river Oka, within the Urdaibai Biosphere Reserve (UNESCO, MaB, 1989).

Location map of the Oma Forest

At Gernika-Lumo, take the by-pass towards Lekeitio along the BI 635 to the Barrutia roundabout. Continue along the BI 2238 and, after passing through Idokiliz, take the turning to the right along the BI 4244 to the end of the road at the Lezika car park.


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