The Top 5 Caves around Altsasu/Alsasua
Looking to visit a cave around Altsasu/Alsasua on your next adventure? To help you better plan your next outdoor experience, we’ve collected Altsasu/Alsasua’s 5
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.
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 23, 2025
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.
Be careful if it is wet or damp as the stones slip a lot.
Translated by Google •
Tip by
Lezaundi
Highlight • Cave
A beautiful cave, both from the outside and from the inside. It's nice to be downstairs when the heat is on.
Translated by Google •
Tip by
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Naparaitz
Highlight • Summit
I stayed a few meters from the top, because the final climb exceeded the limit of my prudence.
Translated by Google •
Tip by
AbrigosGobazpi
Highlight • Cave
Spectacular rock cavities, accessible by a steep slope, difficult even with dry terrain.
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Tip by
CuevaArleze
Highlight • Cave
It took me a lot to go down to the cave: it has a loooong slope and it's full of leaves. And that the ground was dry. I got just …
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Tip by
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