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Discover
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Spain

Basque Country

Gipuzkoa

Urola Costa

Zumaia

Cretaceous–Paleogene Boundary Cliffs

Discover
Places to see

Spain

Basque Country

Gipuzkoa

Urola Costa

Zumaia

Cretaceous–Paleogene Boundary Cliffs

Cretaceous–Paleogene Boundary Cliffs

Recommended by 105 hikers out of 107

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    Best Hikes to Cretaceous–Paleogene Boundary Cliffs

    4.8

    (237)

    1,447

    hikers

    1. Portutxiki Viewpoint – Algorri Flysch loop from Deba

    19.0km

    05:59

    630m

    Expert hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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    Expert

    Intermediate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.

    Intermediate

    Expert hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

    Expert

    Tips

    October 29, 2023

    Geologically interesting, exceptional formations

    Attention: Be aware of the tides - the coast cannot be safely crossed during high tides

    Translated by Google •

      August 4, 2023

      At this point, the Cretaceous-Tertiary boundary is exposed, marking the geologic boundary of 65 million years ago and the dinosaur extinction.

      Translated by Google •

        May 1, 2025

        Great view

        Translated by Google •

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          Details

          Informations

          Elevation 60 m

          Weather

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          Thursday 18 September

          26°C

          20°C

          0 %

          If you start your activity now...

          Max wind speed: 8.0 km/h

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          Location: Zumaia, Urola Costa, Gipuzkoa, Basque Country, Spain

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