Best caves in Picos De Europa are found within a region characterized by its extensive limestone geology, shaped by millions of years of erosion and glacial activity. This karstic landscape has created a subterranean world of natural and scientific value. The area offers diverse cave systems, from challenging explorations for experienced speleologists to accessible visits for families. Many caves also hold cultural significance, providing insights into history and traditional practices.
Last updated: May 1, 2026
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This section of the GR 105, very close to the Covadonga Sanctuary, is within the boundaries of the Picos de Europa National Park. Here you can enjoy the typical Asturian landscape, where spectacular mountain views coexist with livestock huts.
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... you have to cross briefly from Cain.
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The tunnels are all so short that you don't need a lamp.
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They are the first tunnels on the Cares route in the section from Poncebos to Cain
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A little like we might see the tunnel up in the end of our lifes :-)
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The Covadonga Sanctuary is a Catholic religious complex and an important pilgrimage site. It is dedicated to the Virgin of Covadonga, revered as the patron saint of Asturias. The complex includes several buildings, including the Basilica of Santa María la Real de Covadonga, which was built in the 19th century and houses the statue of the Virgin Mary. There is also a smaller church, the Santa Cueva, which is believed to be the site of the miraculous appearance of the Virgin Mary to the Christian army during the Battle of Covadonga in AD 722. The cave is also the burial place of King Pelayo, who led the Christian army to victory in that battle. The complex attracts thousands of visitors each year, who come to admire the impressive views and learn about the history and culture of Asturias.
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Picos de Europa offers a wide range of cave experiences. You can find some of the world's deepest caves for advanced speleologists, accessible caves perfect for families and beginners, and caves with unique cultural or historical significance, such as those used for ripening traditional cheeses or religious sites like Covadonga Sanctuary.
Yes, several caves are ideal for inexperienced cavers and families. La Cueva de Pando offers a circular, mostly horizontal route adorned with stalagmites and stalactites. La Cueva de La Porquera near Arriondas is also recommended for its manageable conditions. Additionally, Cuevona de Avín provides an interpretation center with life-size reproductions of extinct megafauna, making it an engaging visit for all ages.
The region's caves are rich in history and culture. The Santa Cueva at Covadonga Sanctuary is a significant religious and historical site. The Cave of Santibaña (or Cheese Cave) holds ethnographic value as it was historically used for curing cheeses. You can also visit the remains of an old iron and manganese mine at Buferrera Mine, showcasing the area's industrial past.
The Picos de Europa are famous for their traditional cheeses, many of which are ripened in natural caves. The Cabrales Caves in the council of Cabrales are crucial for ripening Cabrales cheese, providing the ideal humidity and temperature. Cueva Oscura in Avín is another well-known cave used by multiple producers for ripening Gamonéu cheese.
The Picos de Europa is a world-renowned destination for advanced speleologists, home to some of the deepest caves globally. Notable examples include Torca del Cerro (-1589 m), Sima de la Cornisa (-1507 m), Torca los Rebecos (-1255 m), and Pozo del Madejuno (-1252 m). These offer challenging explorations for experienced cavers.
Yes, the Picos de Europa region features unique Ice Caves located above 2000m, such as those found in Peña Castil, Veronica, and Altaiz. These caves contain permanent ice deposits and host unique ecosystems adapted to very cold temperatures, making them exceptional sites for studying ice cave fauna.
The caves in Picos de Europa are primarily characterized by a karstic landscape, formed from limestone. This geology has been sculpted over millions of years by water erosion and glacial activity, creating extensive networks of subterranean rivers, shafts, and galleries. Many caves feature impressive stalagmites and stalactites, showcasing the ongoing geological processes.
The Picos de Europa region offers numerous outdoor activities. You can explore various Mountain Hikes, with routes like 'Viewpoint – Horcados Rojos loop from Fuente Dé' or 'Bulnes Village loop from Estaciòn inferior Poncebos'. There are also challenging Road Cycling Routes, such as 'San Antolín de Bedón Beach – Holy Cave of Covadonga loop'. For runners, Running Trails like the 'Lakes of Covadonga Circular Trail' provide scenic options. You can find more details on these activities in the Mountain Hikes, Road Cycling Routes, and Running Trails guides for Picos de Europa.
Yes, Cueva Huerta, declared a Natural Monument in 2002, is one of Asturias's largest caves, stretching 14.5 kilometers. It is not only geomorphologically significant but also provides crucial winter shelter for colonies of the endangered bat species *Miniopterus schreibersii*.
The Cares Trail Tunnel is a feature of the famous Cares route. These tunnels are carved into the rock face and are short enough that a lamp is not required for passage. They are part of a spectacular trail that winds through a gorge, offering impressive views.
When exploring caves in Picos de Europa, it's advisable to wear layers of clothing as cave temperatures can be consistently cool, even in summer. Sturdy, waterproof footwear with good grip is essential. For more adventurous explorations, a helmet with a headlamp is recommended, even if some accessible tunnels are short enough not to require one.


Extend your search for the best caves by checking out these guides of the top ones in Picos De Europa: