Caves in Spain: spectacular underground cave tours

Spain’s landscape hides a labyrinth of natural caves, each offering a unique glimpse into both geological wonders and ancient history. When you explore the caves in Spain, you’re walking through corridors of time, where each stalactite and cave painting tells a story of millennia.

Visit the spectacular natural wonders of the historical caves In Spain
Visit the spectacular natural wonders of the historical caves In Spain

Immersing yourself in the subterranean world of Spanish caves, you’ll find that each one has its narrative and significance. The country’s rich geological diversity has allowed for the creation of captivating underground landscapes that have been central to archaeological discoveries and research.

Moreover, the conservation efforts in place help to ensure that these natural wonders, and the insights they hold about human history and prehistoric life, remain accessible and intact for future generations.

Most Popular Caves In Spain

By exploring these caves, you can unearth a part of Spain’s extensive natural beauty and step into a world that has been shaped over countless millennia. Whether you’re admiring prehistoric cave art or marveling at volcanic formations, each cave tells a story of Spain’s vast and varied landscape.

Famous Spanish Caves

Spain boasts some of the most impressive and historically significant caves in the world. Each offers a glimpse into the past or an underground spectacle that’s just too cool to miss.

Altamira Cave – Cueva de Altamira

The Altamira Cave, located near Santillana del Mar in Cantabria, Spain, is renowned for its prehistoric cave art, particularly its polychromatic paintings and charcoal drawings. These paintings were the first European cave paintings recognized as prehistoric, sparking controversy initially due to skepticism about prehistoric humans’ capacity for abstract thought.

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The cave’s paintings, mainly of bison, along with horses, deer, and wild boar, were created using charcoal and ochre or hematite, often diluted for varied intensity. The artists utilized the cave walls’ natural contours to give a three-dimensional effect to their subjects.

Altamira is approximately 1,000 meters long, consisting of twisting passages and chambers, formed by early karst phenomena in the calcareous rock of Mount Vispieres. The cave’s archaeological excavations revealed artifacts from the Upper Solutrean (around 18,500 years ago) and Lower Magdalenian periods (between roughly 16,590 and 14,000 years ago). The cave was sealed by a rockfall around 13,000 years ago, preserving its contents until its rediscovery.

The cave was discovered in 1879 by amateur archaeologist Marcelino Sanz de Sautuola, led by his daughter María. The discovery was met with skepticism and accusations of forgery initially, but eventually, the cave’s authenticity was established. Due to conservation concerns, the original cave is no longer open to the public, but there are replicas available for visitors, along with a museum showcasing a reproduction of a Paleolithic camp and an exhibition on cave art.

The Altamira Caves are a UNESCO World Heritage Site and were voted second in the top twelve ‘Treasures of Spain’ in a national TV and radio competition in 2007.

Cave paintings in Altamira cave
Cave paintings in Altamira cave

Aguila Caves – Grutas del Aguila

The Aguila Caves, also known as “Grutas del Aguila,” are located near the town of Arenas de San Pedro in the province of Ávila, Spain. Discovered by chance on Christmas Eve 1963 by five children, the caves are a spectacular example of geological formations. They feature a large chamber of about 10,000 square meters, filled with a diverse array of speleothems, including stalactites, stalagmites, pillars, and rimstone pools.

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The cave’s unique formations and the stable climate within (with temperatures between 15-17°C and high humidity) make it an interesting site for both tourists and scientists studying past and present climate change.

The caves were formed from Paleozoic limestones dating back 500 to 540 million years ago. The underground water from the Arenas and Avellaneda rivers played a significant role in their formation, creating cavities in the soluble rocks. The major collapses that formed the great rooms of the caves occurred more than 75,000 years ago. The cave is particularly noted for its abundance of speleothems, which vary in textures and colors, and some of which grow at the rate of approximately one centimeter every 150 years.

The Aguila Caves are open to the public year-round, with guided tours available to explore this underground world. The tour lasts about 40 minutes and covers a route of 1,000 meters, offering a glimpse into the cave’s fascinating geological history and the array of natural formations. The site is easily accessible, and visitors are advised to wear appropriate footwear due to the high humidity inside the cave.

Aguila Caves
Aguila Caves has notable Speleothems; mineral deposits formed from groundwater within underground caverns

​​​​​Drach Caves – Cuevas del Drach

The Drach Caves, or “Cuevas del Drach,” are a stunning natural wonder located on the island of Mallorca in the Balearic Islands, Spain. Situated near Porto Cristo, these caves are famous for their four interconnected chambers: the Black Cave, the White Cave, the Cave of Luis Salvador, and the Cave of the French. The caves extend to a depth of 25 meters and span approximately 4 kilometers.

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One of the most remarkable features of the Drach Caves is the Martel Lake, an underground lake that is about 115 meters long, 30 meters wide, and varies in depth between four and twelve meters. Named after the French explorer and speleologist Édouard-Alfred Martel, who explored the cave in 1896, the lake is considered one of the largest subterranean lakes in the world.

Visitors to the caves can enjoy a unique experience that includes a tour through the caves, marveling at the impressive stalactites and stalagmites, and culminates in a classical music concert performed on small boats on the lake. This tradition of musical performances in the caves dates back to 1935. The combination of the music and the cave’s natural acoustics creates a mesmerizing atmosphere. The tour also offers an opportunity to take a boat ride on the lake.

The caves maintain a warm temperature of around 18°C throughout the year, providing a comfortable environment for exploration. The tour through the caves, including the concert and boat ride, lasts approximately an hour. The Drach Caves are open to visitors year-round, with tours offered daily.

Drach Caves in Mallorca have amazing underwater lakes
Drach Caves in Mallorca have amazing underwater lakes

Nerja Caves – Cueva de Nerja

The Nerja Caves, located near the town of Nerja in the province of Málaga, Spain, are a magnificent series of caverns that stretch for almost 5 kilometers. These caves are renowned for their impressive stalactites, stalagmites, and other natural formations, as well as for their historical and archaeological significance.

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Dating back to the Triassic period about 200 million years ago, the Nerja Caves were formed by the compression of calcium skeletons of sea creatures into limestone, which was later raised above sea level by the movement of tectonic plates. Over millions of years, water seeping down from the surface dissolved calcite in the limestone, creating the caverns and depositing stalactites and stalagmites.

Among the most striking features inside the caves is the world’s largest stalagmite, measuring 32 meters in height and up to 14 meters in width. In addition to their geological significance, the caves hold great archaeological importance. Human presence in the caves dates back as far as 40,000 years, and the caves were continuously inhabited since about 30,000 years ago. The cave paintings found here, some of which are estimated to be around 42,000 years old, could potentially be the oldest known works of art in human history, possibly created by Neanderthals.

The importance of the Nerja Caves is also reflected in their designation as a Historical Artistic Monument and a Property of Cultural Interest. The caves are not just a geological treasure but also a repository of human history, offering insights into the lives of our ancestors through the artifacts and cave paintings discovered within.

The discovery of the Nerja Caves in 1959 was a chance occurrence by a group of young locals. Since their discovery, the caves have become a significant tourist attraction and a site of ongoing scientific research and study.

Nerja Caves are a popular tourist destination
Nerja Caves are a popular tourist destination

El Soplao Cave – Cueva El Soplao

El Soplao Cave, located in the Cantabria region of Spain, is a unique geological wonder known for its extraordinary variety and quality of speleothems, including rare formations like helictites. Discovered in the early 20th century during mining operations, El Soplao has since been recognized for its significant natural beauty and geological value. The cave extends over 20 kilometers, although only a portion is accessible to the public.

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The Cave of El Soplao is notable for its “eccentrics” – unusual, gravity-defying formations that create a surreal, otherworldly environment. These formations are so exceptional that the cave has been dubbed “The Sistine Chapel of Geology”. In addition to its natural splendors, the caves also offer insights into Cantabria’s mining history, with remnants from the era when zinc and lead were extracted here.

Visitors to El Soplao can explore the cave by guided tours, which shed light on the cave’s history, geology, and unique features. The tours provide an immersive experience, highlighting the play of light and shadow on the cave walls and the majestic nature of the formations. The cave has also been adapted for different types of tours, ranging from conventional to adventure experiences, making it accessible to a wide range of visitors.

El Soplao Cave is located in the Cantabria region of northern Spain, near the small town of Celis
El Soplao Cave is located in the Cantabria region of northern Spain, near the small town of Celis

La Pasiega Cave – Cueva de La Pasiega

La Pasiega Cave, situated in the Spanish municipality of Puente Viesgo, is one of the most significant Paleolithic art sites in Cantabria and is part of the UNESCO World Heritage List, under the inscription “Cave of Altamira and Paleolithic Cave Art of Northern Spain”. This cave is known for containing the largest number of cave paintings in the Iberian Peninsula, with 291 animal drawings, 134 complete symbols, and 25 series of isolated dots. However, public access to the cave is restricted; visits require a request to the Ministry of Culture and Tourism of Cantabria.

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The cave’s archaeological layers date back to the Solutrean and Magdalenian epochs of the Upper Paleolithic. It has been a key site for establishing a chronological series for Paleolithic wall paintings. Researchers have found various artifacts from different periods, including the Mousterian, Solutrean, and Magdalenian, with tools such as ‘feuilles de laurier’ (leaf-points), burins, striker pins, and perforated objects of bone.

La Pasiega is considered a good example of the “Cave as Sanctuary” concept, which proposes a complex spatial hierarchy in caves where principal groups of animals and idiomorphic symbols are arranged according to certain models. The cave features a variety of animal species, including deer, horses, ibex, cattle (bison and aurochs), reindeer, chamois, megaloceros, and possibly a mammoth. In addition to animals, the cave contains an extensive collection of symbols and marks.

Recent studies using stereo photography have revealed previously unrecognized figures and allowed for a more detailed understanding of the cave art. This technique has provided a new way to view the art three-dimensionally, offering insights into the creation and context of these ancient works.

La Pasiega’s archaeological and artistic significance lies in its extensive collection of Paleolithic art, which offers a window into the lives and beliefs of early humans in the region.

La Cueva de La Pasiega is a renowned cave located in the Puente Viesgo region of Cantabria, Northern Spain
La Cueva de La Pasiega is a renowned cave located in the Puente Viesgo region of Cantabria, Northern Spain

del Viento Cave – Cueva del Viento

La Cueva del Viento, located in the town of Icod de los Vinos in the north of Tenerife, Spain, is known for being the largest lava tube system in Europe and the sixth largest in the world. This volcanic cave, formed by lava flows from Pico Viejo near Mount Teide, is over 17 kilometers long and features three different levels of passageways filled with various geomorphological phenomena such as lava pits and terraces.

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The cave is historically significant for its rich collection of fossils from the Canarian megafauna, including the bones of the extinct giant lizard Gallotia goliath and the giant rat Canariomys bravoi. Additionally, archaeological remains of the Guanches, the ancient Berber native inhabitants of the Canary Islands, were discovered in several entrances to the tube system.

The cave offers a unique tour experience for visitors, transforming them into observers of a live documentary in a volcanic setting. The tour begins at the Visitor Centre in Icod de los Vinos, where information modules introduce the cave’s features. The journey continues across a field of lava, leading up to the cave entrance and then back down through paths that showcase the area’s ethnographic wealth and beautiful landscapes.

During the tour, visitors encounter various geological formations that explain the landforms they are crossing, including a channel of viscous phonolitic lava from the Roques Blancos eruption. The cave’s visitable section contains numerous formations sculpted by advancing lava, providing a dynamic and almost living feel to the environment. The cave has no artificial lighting, and visitors are equipped with helmets fitted with headlamps.

Biological studies have revealed a great variety of cave fauna in La Cueva del Viento. These studies have discovered various troglobitic species, including eyeless cockroaches and ground beetles, which are new to science. These species have adapted to the cave’s unique conditions of total darkness, high humidity, and constant temperature.

The exploration and mapping of La Cueva del Viento have been significant in the development of volcano caving in the Canary Islands. The cave has been instrumental in the training of many vulcanospeleologists on the island.

Los Verdes Cave – Cueva de Los Verdes

The Cueva de los Verdes, also known as the “Verdes’ Cave”, is a remarkable lava tube and tourist attraction located in the Haría municipality on the island of Lanzarote in the Canary Islands, Spain. This cave is part of the Monumento Natural del Malpaís de La Corona, a protected area in the Canary Islands. It was formed around 3,000 years ago by the flows of lava erupting from the nearby Monte Corona volcano. As the lava flowed toward the sea, the top layers cooled and formed a crust, leaving a hollow tube beneath. The cave’s roof collapsed in about 20 spots, creating openings known as jameos.

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One of the most fascinating features of Cueva de los Verdes is its concert hall, located near the cave’s entrance and exit. The hall can accommodate up to 500 people, offering a unique cultural experience within a natural setting. Historically, the cave served as a refuge for the local population during pirate raids and attacks by European and Muslim slave traders.

The cave is part of a larger system that extends for 6 kilometers (about 3.7 miles) above sea level and continues for another 1.5 kilometers (about 0.93 miles) below the sea, known as the Tunnel de la Atlantida. This system is acknowledged as the longest volcanic submarine lava tube on Earth. The caves have been illuminated since 1964, enhancing their natural beauty and making them more accessible to visitors.

For visitors, the cave offers guided tours across a distance of about 1.3 kilometers, where they can observe the unique rock formations and the interplay of light and shadow in the cave’s interior. The tour is a circular route that includes walking up and down through narrow corridors with low ceilings in some areas. Comfortable shoes are recommended due to the nature of the terrain. The cave maintains a comfortable temperature of around 20 degrees Celsius inside, making it a pleasant visit regardless of the weather outside.

Cueva de los Verdes is a testimony to Lanzarote’s rich volcanic landscape and history, offering visitors an intriguing glimpse into the island’s geological past and cultural heritage.

Cueva de los Verdes
Cueva de los Verdes

Jameos del Agua

Jameos del Agua, located in Lanzarote, Canary Islands, is a unique attraction that is part natural wonder and part man-made marvel. The term “Jameo” refers to a volcanic cave with a collapsed roof. Jameos del Agua was formed by the volcanic activity of the Monte Corona volcano, which erupted around 3,000 years ago. The lava flows created a long tunnel and caves, some of which have collapsed, forming the Jameos.

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The site was transformed into a tourist attraction by César Manrique, a renowned local artist and architect, in the 1960s. Manrique’s vision was to harmonize architecture with nature. He designed a space that includes a restaurant, a concert hall, gardens, and a pool, all integrated into the existing volcanic formations.

One of the most unique features of Jameos del Agua is a natural lake that is home to a rare species of blind albino crabs (Munidopsis polymorpha). These small, white crabs are usually found at great depths in the ocean, but the ones in Jameos del Agua have adapted to live in this unique environment.

Visitors to Jameos del Agua can explore the cave system, enjoy the tranquil environment of the underground lake, marvel at the architectural interventions by Manrique, and learn about the geology and biology of this special place. The site is also a center for cultural events, including concerts and dance performances, utilizing the natural acoustics provided by the volcanic cave.

However – swimming in the natural lake is prohibited so no need to pack your swimming suits.

Jameos del Agua
Jameos del Agua

Zugarramurdi Caves – Cuevas de Zugarramurdi

The Zugarramurdi Caves, located in the Basque region of Navarre in northern Spain, are famous for their historical and cultural significance, particularly for witchcraft. These caves are part of a complex karst system formed by the erosion of limestone by water over thousands of years.

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The most notable aspect of the Zugarramurdi Caves is their association with the Basque witch trials of the early 17th century. During this period, the caves were rumored to be a gathering place for witches, where they were said to perform rituals and hold covens, especially in the large main chamber known as the “Sorginen Leizea” (Witches’ Cave).

In 1610, several inhabitants of the Zugarramurdi village were accused of witchcraft and subsequently tried by the Spanish Inquisition. This event is one of the most infamous witch trials in Spanish history and resulted in several executions. The trials are well-documented and contribute to the eerie and mysterious aura that surrounds the caves.

Today, the Zugarramurdi Caves are a popular tourist destination, offering visitors a glimpse into the region’s fascinating history. The site also includes a Witchcraft Museum, which provides historical context about the witch trials and the cultural significance of witchcraft in Basque folklore.

The caves themselves are impressive, featuring large chambers and natural passageways. The lush vegetation surrounding the area and the natural beauty of the caves make it a picturesque spot for visitors. The site is also used for various cultural events, including the annual “Witches’ Sabbath” festival, which celebrates the local history and folklore with music, dance, and traditional Basque cuisine.

Zugarramurdi Caves
Zugarramurdi Caves

The Treasure Cave – Cueva del Tesoro

The Cueva del Tesoro, also known as the Treasure Cave, is a unique cave located in Rincón de la Victoria, near Málaga in the Andalusia region of southern Spain. This cave is notable for its historical legends, natural formations, and archaeological significance.

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One of the most intriguing aspects of the Cueva del Tesoro is the legend associated with it. It is one of the only marine caves in Europe that can be visited and is believed to be the location of a hidden treasure, supposedly left by the Moors during the period of the Arab occupation of Spain. According to legend, this treasure was hidden in the cave system and has never been found, despite numerous attempts.

The cave itself was formed by the dissolution of marble and has been shaped over millennia by both marine and karst processes. The interior of the cave is known for its beautiful stalactites, stalagmites, and other unique geological formations. The cave system consists of several large halls and galleries, with names like the Hall of the Lake, the Hall of the Marks, or the Hall of the Virgin.

Archaeologically, the Cueva del Tesoro is significant as it contains evidence of human and animal habitation dating back to the Paleolithic era. Numerous prehistoric paintings and artifacts have been found in the cave, providing insights into early human life in the region.

The cave is open to the public and offers guided tours, allowing visitors to explore its chambers and learn about its natural history, geology, and the legends surrounding the elusive treasure. The tours usually include explanations of the different formations, the history of the cave’s exploration, and stories about the treasure and the various expeditions undertaken to find it.

Spectacular Spanish caves
Spectacular Spanish caves

Cave Arts and Archaeology

Exploring the caves of Spain, you’ll not only encounter the echoes of ancient artists but also witness spectacular natural sculptures formed over millennia. Get ready to walk through history and marvel at geological wonders.

Paleolithic Cave Paintings

When you step into caves like Altamira, your gaze will fall upon the prehistoric canvas of Paleolithic art. These walls are adorned with the earliest known artistic expressions of humans. The Cave of El Pindal and Tito Bustillo Cave, for instance, showcase fascinating examples of cave paintings that have endured for tens of thousands of years.

Rock Formations and Mineral Beauty

As you wander deeper, the caves do more than bear witness to human history—they reveal Earth’s own artistry. In the form of stalactites, stalagmites, and unique mineral deposits, these rock formations could rival any sculpture you’ve seen above ground.

Some of these subterranean galleries display an array of mineral formations:

  • Stalactites: Icicle-shaped calcite that hangs from the cave ceiling.
  • Stalagmites: Rise from the floor, often meeting stalactites to form columns.

By visiting these silent chambers, you’re not just seeing a slice of history or a geological phenomenon; you’re stepping into a space where the Earth and human creativity intersect in profound silence.

Tourism and Conservation

While you’re exploring caves in Spain, it’s essential to balance your sense of adventure with an awareness of conservation efforts. Tourism plays a crucial role, but it’s a two-way street: as much as you gain from the experience, your presence has an impact on the delicate cave environments.

Guided Cave Tours

When you slip through the cave entrance, you’re often entering a fragile ecosystem. To both experience these subterranean wonders and protect them, consider taking part in guided cave tours. A knowledgeable tour guide can offer insights about the cave’s history and geology while ensuring that the visit doesn’t disturb the site.

The Role of Local Custodians

Local custodians are the guardians of these natural treasures. They manage the visitor centre, maintain scenic routes, and supervise the cave’s access to ensure sustainability. Their efforts help balance the cave’s status as a tourist attraction with its preservation needs. By supporting them, you’re championing responsible tourism and helping to maintain these sites for future generations.

Cave Expedition Essentials

When you’re setting out to explore the intricate and breathtaking caves of Spain, there are a couple of key aspects you need to keep in mind: your safety and the planning of your cave route.

Visitor Safety and Regulations

Your safety is paramount when on a cave expedition. Always remember to check in with the visitor centre before heading out. They’ll give you the lowdown on the must-follow regulations and might suggest whether you should have a tour guide with you. Depending on the largest cave or even a small cave you plan to visit, there will be specific guidelines on the equipment and precautions to take.

Equipment Checklist

  • Helmet with headlamp
  • Non-slip sturdy footwear
  • Appropriate clothing for temperature changes
  • Gloves to protect your hands
  • Portable first-aid kit

Visitor Rules

  • Stay on marked trails
  • Do not touch rock formations
  • No littering
  • Avoid loud noises or flashes that might disturb the cave’s ecosystem

The Unseen Ecosystems

Spain’s caves are more than just geological wonders; they’re vibrant ecosystems and significant cultural monuments. Discover the organisms that thrive without sunlight, the preservation of these delicate environments, and the fascinating water systems beneath the earth’s surface.

Life in The Dark

Deep within Spain’s natural caves, like the renowned Grotto of Wonders, you’ll find life that defies conventional expectations. In the perpetual twilight of subterranean landscapes, unique species have adapted to a world without light.

Troglobites, creatures that can’t survive outside caves, sense their way around in pitch blackness. They’re complimented by troglophiles, which prefer cave environments but can live elsewhere, and trogloxenes, guests like bats that visit but don’t stay permanently.

Cave Conservation Efforts

Your awareness can influence cave conservation. Southeast Spain’s fragile cave ecosystems, which double as part of the country’s cultural heritage, are under threat from pollution and human intrusion.

Efforts to protect these underground sanctuaries often involve regulating access, promoting eco-friendly tourism, and conducting scientific studies to monitor the health of these habitats. Active preservation is key to ensuring that these natural wonders continue to inspire and educate future generations.

Hydrogeology of Caves

The hidden hydrogeology of caves, particularly those with interior lakes or underground lakes, is both complex and captivating. Water works its way through limestone, creating an interconnected system of channels beneath the earth. These caves, often part of a larger karst landscape, act as natural reservoirs and help scientists understand subterranean water movements.

The underground lakes of Spain are captivating
The underground lakes of Spain are captivating

Myths and Legends of Spanish Caves

You’ll find that Spain’s caves are treasure troves of mythology and history. Ancient tales whispered in the dark, heroic sagas attached to these natural wonders, they all form an intrinsic part of Spain’s cultural heritage.

Folklore and Cave Stories

Imagine the echo of pirate whispers as you explore the Cueva del Tesoro near Rincón de la Victoria. It’s one of the only marine caves in Europe and a place steeped in legends of hidden riches. Tales tell of a lost treasure, purportedly buried here by the notorious pirate Al-Arabi during the 12th century. Don’t go expecting to strike gold, but who knows? Adventure awaits.

Another tale woven into the fabric of Spanish cave lore involves the legendary battle between a princess and a dragon in Spanish Mythology. Just as all seemed lost, a courageous knight appears to save her from the clutches of the beast. It’s a story that has permeated culture and is celebrated yearly in the form of the Fiesta de Sant Jordi.

FAQ – Caves In Spain

Caves In Spain

What’s the deal with the Cave of Altamira and why should I visit?

The Cave of Altamira is famous for its Upper Paleolithic cave paintings featuring charcoal drawings and polychrome paintings of contemporary local fauna and human hands. It’s a rare chance to witness prehistoric art dating back around 36,000 years, giving you a peek into early human creativity.

Caves In Spain

Can you actually take a dip in a cave while in Spain?

Yes, there are caves in Spain where you can enjoy a swim. The Cueva del Gato near Ronda, with its pool of crystal-clear water, is a perfect example of where you can take a refreshing dip and admire the surrounding natural beauty.

Caves In Spain

Are there still folks living in those cool cave houses in Spain, and what are they called?

Indeed, people are living in cave houses, known as “Cuevas,” in regions like Granada. These unique dwellings maintain a constant temperature year-round and are part of Spain’s cultural heritage.

Caves In Spain

I’m headed to Andalucia – any must-see caves I should add to my list?

When you’re in Andalucia, the Cuevas de Nerja should be on your list. This cave system is known for its stunning chambers and archeological significance, with evidence of human habitation dating back to 24,000 years ago.

Caves In Spain

Heard about the Drach Caves in Mallorca, what’s so special about them?

The Drach Caves, or “Cuevas del Drach”, are renowned for an impressive underground lake, Lake Martel, one of the largest subterranean lakes in the world. Classical concerts are often held here, making a visit an enchanting experience.

Caves In Spain

What’s the most famous cave that’s got everyone talking in Spain?

The Nerja Caves are a natural marvel in Spain attracting lots of attention. Known for their massive stalactites and stalagmites, as well as archaeological treasures, they rank as a captivating visit on your Spanish adventure.

Why Can’t I Swim in Jameos del Agua?

Swimming is prohibited in Jameos del Agua to protect its unique ecosystem, particularly the rare blind albino crabs that inhabit the underground lake. Human activity in the water can disrupt this delicate environment, introducing pollutants and altering the water’s chemistry.

Additionally, the site is a natural and cultural heritage preserved in its current state for future generations, and swimming could potentially damage the cave formations and disrupt the aesthetic integrity envisioned by the artist César Manrique, who designed the space. Safety concerns due to the cave’s natural features also play a role in this restriction.

Visit the Spectacular Underground Caves in Spain
Visit the Spectacular Underground Caves in Spain

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