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Spain

Basque Country

Routes
Places to see
Caves
Spain

Basque Country

The Top 20 Caves in Basque Country

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

Aitzondo Waterfall

Highlight • Waterfall

The Aitzondo waterfall is located in the Aiako Harria natural park, at the western end of the Pyrenees. This waterfall is one of the largest in Guipuzcoa, with a drop of 140 meters that ends in a small pond.

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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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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

Highlight • Cave

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

Highlight • Cave

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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Cuevas de los Goros

Highlight • Cave

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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Mairulegorreta

Highlight • Cave

Impress the entrance of the cave

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Peña de Ataloi

Highlight • Natural Monument

On the coastal path of the route to the cliffs of Mount Ulia in San Sebastian we come across the Peña de Ataloi, this strange and beautiful rock formation in the shape of a cave that melts in your hands.

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Ezkerraldea Mining Museum

Highlight • Historical Site

Former offices of one of the main iron extraction areas in the region. Currently the heart of the Ezkerraldea Biotope. A space protected by its categorization of the land.

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Didn’t find what you were looking for?

Discover more caves in Basque Country region by region:

ÁlavaGipuzkoaBiscay

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

Canary IslandsBalearic IslandsAlicanteCastile and LeónAndalusiaCataloniaMinorcaBasque MountainsValenciaAragonAsturiasMurciaIbizaSantanderCastile-La ManchaCastellónNavarraMadridLa RiojaGalicia

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