Caves in Gibraltar offer a unique blend of natural geological formations and historical significance within the Upper Rock Nature Reserve. The region is characterized by its limestone geology, which has led to the formation of extensive cave systems. These underground sites provide insights into both natural processes and human history, including ancient occupations and military fortifications. Gibraltar's caves are a notable feature of its landscape, attracting visitors interested in geology, history, and exploration.
Last updated: April 27, 2026
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Very interesting to see, incredible what they've carved into the mountain.
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impressive and also nice and cool😉
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Gibraltar has always been of the utmost strategic importance, but with the entry of Italy into World War II and a powerful Germany already dominating Europe, that importance grew. These tunnels, created by the Royal Engineers and the Canadian Army, were the answer to the ever-growing problem of storage, space and siege accommodation. The entire 16,000-strong garrison could be housed here, along with enough food to survive for 16 months. The entire tunnel network inside the Rock is about 34 miles, 55 kilometers.
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St Michael’s Cave was long believed to be bottomless. This probably gave birth to the story that the Rock of Gibraltar was linked to Africa by a subterranean passage under the Strait of Gibraltar. The famous macaques were said to have come to Gibraltar through this subterranean passage. Pomponious Mela, one of the earliest geographers who lived about the beginning of the Christian era, spoke about the cave in his writings. It was at one time believed that in 1704 Spanish troops spent a night in the cave after climbing the precipitous east face of the Rock. Another story about the cave recounts how a Colonel Mitchell and another officer were said to have descended into the cave at some unspecified date before 1840 and were never seen again. During WWII the cave was prepared as an emergency hospital, but was never used as such. The cave is open to visitors and makes a unique auditorium for concerts, ballet and drama. It has been in use as a theatre since the early sixties with capacity for 600 persons. At some period during the history of this cave, part of a stalagmite became too heavy on one side and fell, possibly thousands of years ago. It now lies on its side at the far end of the main chamber, cemented through the years by nature to the floor of the cave. In 1972 a slice was cut off from the top end which revealed the interior structure of the stalagmite in a most dramatic fashion. ‘The Awakening' at St Michael’s Cave An immersive light and sound installation expressing layers upon layers of history fused with the Rock. These ancient clocks now lay dormant. The Awakening illuminates these sculptures of time and reawakens their hidden story. As you journey through the cave system you will encounter these giant ancient clocks brought back to life, vast hidden forms and towering flowstones that once again are in full motion. The experience culminates within the main cavern in a 360-degree projection and light spectacle.’ The awakening show takes place every 7 minutes.
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Is a limestone cave with beautiful plays of light. There are a lot of monkeys waiting to be photographed
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Interesting cave
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Duck your head and go down the mountain
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Gibraltar's natural caves, particularly St. Michael's Cave, are renowned for their stunning geological formations. You'll find intricate stalactites and stalagmites, which have formed over millennia, creating a mesmerizing display of natural artistry. These formations can resemble chandeliers, draperies, and frozen waterfalls.
Yes, Gibraltar is rich in historical underground sites. The Great Siege Tunnels are an incredible feat of 18th-century engineering, dug into the limestone during a siege. The World War II Tunnels also offer a fascinating look into Gibraltar's military past. Additionally, the Gorham's Cave Complex is a UNESCO World Heritage Site, globally significant for its evidence of Neanderthal occupation.
Many of Gibraltar's underground attractions are family-friendly. St. Michael's Cave offers an accessible experience with its light and sound show. The Great Siege Tunnels are also listed as family-friendly, providing an engaging historical experience for all ages.
The Upper Rock Nature Reserve, where many caves are located, offers various outdoor activities. You can find numerous hiking routes, such as the 'View over Gibraltar and the Bay – O'Hara's Battery loop' or the 'Windsor Suspension Bridge – View over Gibraltar and the Bay loop'. There are also options for gravel biking and MTB trails, like the 'St. Michael's Cave – Gibraltar Skywalk loop'. For more details, explore the Hiking in Gibraltar or MTB Trails in Gibraltar guides.
Yes, for the more adventurous, guided tours to the Lower St. Michael's Cave are available. These tours offer a chance to explore a spectacular underground lake and more raw, natural rock formations, involving some scrambling and minor rope climbing. This provides a more challenging caving experience beyond the main tourist areas.
Access to the Gorham's Cave Complex is limited and strictly controlled due to its immense historical and archaeological value. Visiting often requires guided tours approved by the Gibraltar Museum. For other main attractions like St. Michael's Cave or the historical tunnels, standard entry tickets are usually sufficient, but it's always advisable to check official websites for the latest access requirements.
Many of Gibraltar's caves, including St. Michael's Cave, are located within the Upper Rock Nature Reserve. You can reach them by car, taxi, or cable car. Parking is available at various points within the reserve, though it can be limited during peak times. Public transport options are also available to the base of the Rock, from where you can proceed upwards.
The Gorham's Cave Complex is a UNESCO World Heritage Site of global significance. It contains extensive archaeological and paleontological deposits that provide crucial evidence of Neanderthal occupation spanning over 100,000 years, making it one of the last known habitats of Neanderthals in Europe. Discoveries there offer unique insights into human evolution, Neanderthal life, and the environmental conditions of the past.
St. Michael's Cave is unique for its stunning natural beauty, featuring complex limestone formations and colorful lights. Its Main Chamber, also known as the Cathedral Cave, boasts excellent natural acoustics and serves as a unique auditorium for concerts and cultural events. It also hosts an immersive light and sound show called 'The Awakening'.
When visiting Gibraltar's caves, it's advisable to wear comfortable walking shoes with good grip, as surfaces can be uneven or damp. The temperature inside caves can be cooler than outside, so a light jacket or sweater is recommended, even on warm days. For more adventurous tours, specific gear might be required, which would be communicated by the tour operator.
Yes, many of the caves are located within the Upper Rock Nature Reserve, which offers spectacular viewpoints. From St. Michael's Cave, you can enjoy stunning views of the Strait of Gibraltar. Other sites like the World War II Tunnels and The Military Heritage Centre and Tunnels also provide amazing panoramic views of Gibraltar and the surrounding areas.
While St. Michael's Cave is the most popular, Bellman's Cave is another natural cave on the Rock of Gibraltar. Named after British Captain William Bellman, it's an imposing cave with a large hall, offering a different perspective away from the main tourist routes. It's a great spot to observe the famous Barbary macaques in their natural habitat.


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