The Portupekoleze arch-cave, located in the Urbasa mountain range, is the spectacular result of water erosion, which over the millennia has created this enormous arch in the rock.
The route to the source of the Urederra river is highly directed due to erosion and the fragility of the landscape, so it is essential to respect it in order to preserve it.
The Ubaba viewpoint, also known as the Balcón de Pilatos, offers impressive views of the Urederra canyon, where the river of the same name is born, in the heart of the Urbasa-Andía natural park.
The "eyes" are amazing, but I don't recommend going down to them if you're dizzy, wet, or just tired. It is true that I am a little fearful, but I came down quite nervous.