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Spain

Basque Mountains

Routes
Places to see
Caves
Spain

Basque Mountains

The Top 20 Caves in the Basque Mountains

Looking to visit a cave in the Basque Mountains on your next adventure? To help you better plan your next outdoor experience, we’ve collected Basque Mountains’s 20

best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.

Last updated: October 20, 2025

Pozo Azul de Covanera

Highlight • Natural Monument

It is located in the Rudrón valley. It is the name that was given in Covanera to a spring of water that does not sprout at the surface level but …

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Orbaneja del Castillo Waterfall

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It is beautiful on its own, but if we add the depths of the town from which it arises... visit it!

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San Adrián Tunnel

Highlight • Cave

Curious formation that allows us to go from one side of the mountain to the other.
Be careful if it is wet or damp as the stones slip a lot.

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Portupekoleze Arch

Highlight • Natural Monument

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.

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Ojo de Aitzulo

Highlight • Cave

If you climb from Araotz, follow the PR, and the climb is very easy and short.
From the cave parking lot, it's much steeper and zigzags. About 2.5 or 3 km with a lot of elevation gain.

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Abaro Tunnel

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Like the Baltzola caves, it is now prohibited to cross them, due to the danger of Q fever.

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Santimamiñe Cave Paintings, Kortezubi

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Kortezubi is a municipality that preserves an extensive landscape, ecological and cultural heritage. It was chosen by our ancestors as a home and residence in prehistoric times, undoubtedly attracted by …

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Valley of Colors (Valle de los Colores)

Highlight • Natural Monument

The Valley of Colors is an authentic open-air museum, where you will discover the magic that erosion can create over millions of years.
In this magical place, you can enjoy numerous geoforms and a variety of colors in the rocks.

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Cueva Baranda

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Very curious and easily accessible, it is worth it.

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Cuevas de los Goros

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Sierra Badaya offers an infinity of routes between tracks and trails that intertwine to take you to every corner of the mountain range. The caves of the Goros is one of those corners.

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Extend your search for the best caves by checking out these guides of the top ones in the Basque Mountains:

Canary IslandsBalearic IslandsAlicanteAndalusiaCastile and LeónCataloniaMinorcaBasque CountryValenciaAragonAsturiasMurciaIbizaSantanderCastile-La ManchaCastellónNavarraMadridLa RiojaGalicia

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