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From the Basque Country World / Places
Pozalagua Cave
Pozalagua in Karrantza is a short underground visit focused on eccentric stalactites that twist in unusual directions. It offers concentrated geological interest beneath Peña Ranero, with a cool interior even in warm weather.
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The reward is in comparing the cave's branching, flower-like formations with more familiar stalactites and stalagmites. A quarry blast accidentally revealed the cave in 1957, linking this underground landscape with the extraction taking place beside it. The main concentration of eccentric formations lies in the chamber known as Versailles.
What to look for
Eccentric stalactites branch in unusual directions rather than simply hanging down.
Stalagmites and flowstones provide contrasting forms within the cave.
Useful to know
Allow about 45–50 minutes for the cave visit, plus time to arrive at Ranero.
Bring a warm layer for the cool underground conditions.
Check the official calendar and available tour before travelling to Karrantza.
Your next visit
Estimated · Declared scenario and planning estimates; no live opening, weather, queue or booking service.
Outdoor visit · 30–45 min
World planning estimate; admission, opening, visit duration and access need checking.
