A journey through millennia of geological beauty, prehistoric art, and subterranean landscapes
Explore CavesSpain is home to some of the most extraordinary caves in the world. With over 10,000 catalogued caverns stretching from the Cantabrian coast to the Mediterranean islands, the country offers a staggering variety of underground landscapes. These natural vaults hold everything from UNESCO-listed prehistoric paintings to the largest underground lakes in Europe.
Whether you are drawn by geological formations shaped over millions of years, ancient human art dating back 14,000 years, or simply the adventure of exploring hidden realms beneath the surface, Spain's caves offer an experience unlike any other. This guide covers the most accessible and remarkable caves you can visit today, with practical tips for planning your trip.
Often called the "Sistine Chapel of Prehistoric Art," Altamira contains some of the finest examples of Paleolithic cave paintings ever discovered. The polychrome ceiling depicts bison, horses, and deer rendered with astonishing detail over 14,000 years ago.
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Discover one of Europe's largest underground lakes nestled within a spectacular cave system on the island of Mallorca. Classical music concerts are held on the subterranean waters of Lake Martel.
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Stretching nearly five kilometres beneath the hills of the Costa del Sol, the Caves of Nerja hold the world's largest stalagmite and host concerts in a natural underground amphitheatre.
Read Full GuideMost popular caves have limited daily visitor numbers to preserve the delicate formations. During summer months, tickets for Altamira and Nerja can sell out weeks ahead. Always check the official websites and book early.
Cave interiors maintain a constant temperature of around 14-18 degrees Celsius regardless of outside weather. Bring a light jacket even in summer. Comfortable shoes with good grip are essential, as pathways can be slippery.
Flash photography is typically prohibited as it can damage both ancient paintings and living cave formations. Follow marked paths and never touch stalactites or stalagmites. Even the oils from human skin can halt thousands of years of mineral growth.
Many caves are located in rural areas with limited public transport. Renting a car is often the most practical option. Consider combining cave visits with nearby attractions to make the most of your journey through the Spanish countryside.
Spain has thousands of caves waiting to be discovered. Whether you are interested in the science of speleology, the romance of ancient art, or simply finding a unique day out, there is a cave for every kind of traveller.
