Best caves around Sant Gregori are primarily represented by historical mining sites within the municipality, such as the Mina Niño Jesús, an old iron ore mine. This area, situated in the wider Girona region, offers a landscape characterized by its industrial past and natural features. The region provides a diverse range of cave experiences, from historical mines to natural formations.
Last updated: July 4, 2026
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There are a lot of loose stones, so good footwear
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The mine is made up of a set of 11 galleries that go beyond the southern slope of the Olivet del Ros. The elements that make up this infrastructure are the loader, the mounts, which were supported by the station to lower the material from the mountain, and the trenches. The loader and the bridge over the torrent are the two most characteristic elements of this mine, which define the protection perimeter of this heritage element declared a Site of National Interest in the Gavarres area. The mine was closed in 1918, after only 26 years of operation. It is forbidden to enter the mines, not only for safety reasons, but also because they are the refuge of several species of bats, which are key to the health of an ecosystem such as the Mediterranean forest, which is at the heart of human pressure on its habitats.
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nice place to inspect
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Below the volcano... You can see lava flow remains, which last over time....
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On the north side of the Castle of Sant Miquel we find these caves that we can discover thanks to a path. Holes in the walls of La Gavarres known by the inhabitants of the towns in the area.
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Do not forget to bring a flashlight, it is worth entering and observing the interior
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In 1892, Arístides de Artiñano from Barcelona registered two iron ore mines with the names "Niño Jesús" and "Victoria Esperanza", after having carried out some promising prospecting. It was already known that iron had been mined in this area of Les Gavarres in the s. XVIII, and the growing Catalan industrial economy of the s. XIX needed this raw material to develop, along with coal. The mine is made up of a set of galleries that drill the northern side of the Bacs mountain at different levels, with 23 open galleries located. The mine was closed in 1918, after only 26 years of operation, due to the low profitability of the iron ores and the cost of transport to the foundries. The charger is the first item you will find, on the right hand side of the path, following some stairs with a wooden railing. It is the most characteristic and significant of the mining complex and is located at the confluence between the Mavalls stream and the Deveses stream. Following the path again, you will reach the main mines that are at the foot of the route. Nowadays the galleries have become an important resting and breeding habitat for bats, animals often despised for their appearance and associated mythology, but of great natural importance for their predatory ability on insects and as bioindicators of the quality environmental and the impact of climate change on an ecosystem. It is advised not to enter the galleries, for safety reasons and to preserve the tranquility of the fauna that lives there.
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Sant Gregori is known for its historical mining sites. The Niño Jesús Mine and Victoria Mine Entrance are significant, representing the region's 19th-century industrial past. For a natural cave experience, Boratuna Cave offers a beautiful interior, though it requires a flashlight for exploration.
The mining caves, such as the Niño Jesús Mine and Victoria Mine Entrance, were iron ore mines established in the late 19th century. They played a role in supplying raw materials for Catalonia's growing industrial economy. These mines operated for about 26 years before closing in 1918 due to low profitability.
Yes, beyond the historical mines, you can visit Boratuna Cave, which is a natural formation. Additionally, The Adri Lava Flow offers a unique geological experience, allowing you to see remains of ancient lava flows below a volcano.
Some parts of the former mining complexes, like the loader at Niño Jesús Mine, are accessible along paths. However, it is generally advised not to enter the mine galleries due to safety concerns and to protect the bat populations that now inhabit them. For Boratuna Cave, a flashlight or spotlight is recommended for visiting the interior.
Good footwear is essential, especially for areas with loose stones like The Adri Lava Flow. For exploring the interior of Boratuna Cave or getting a closer look at the Nen Jesús Mines, a flashlight or spotlight is highly recommended.
While direct entry into many mine galleries is restricted for safety, the paths leading to sites like the Niño Jesús Mine offer an educational experience about the region's history and ecology. For a broader family experience, the Caves of Serinyà in the wider Girona area provide an interpretive center and insights into prehistoric human life.
The area around Sant Gregori offers various outdoor activities. You can find numerous hiking trails, including moderate routes like the 'Views of Grau de Llop – Sant Grau Hermitage loop'. There are also cycling routes and running trails to explore the natural landscape.
Visitors appreciate the historical context of the old mines and the opportunity to inspect the sites. Many find the interior of Boratuna Cave beautiful and worth the climb. The ecological aspect, particularly the bat habitats within the abandoned mines, is also a point of interest for those who value nature.
Yes, the broader Girona province features several interesting sites. The Caves of Serinyà are important prehistoric sites for understanding early human history. Other notable caves include the Catau de l'Ós, the rock-hewn Oratory of Mare de Déu de les Olletes, and the historical Bandoleros' Mine, known as a former hiding place for bandits.
The region generally offers pleasant conditions for outdoor activities for much of the year. Spring and autumn typically provide mild temperatures ideal for exploring. While there's no specific 'best time' for the caves themselves, these seasons are good for combining cave visits with hiking or cycling in the surrounding natural areas.
The difficulty varies. Accessing the historical mining sites like Niño Jesús Mine involves walking along established paths. However, the climb to Boratuna Cave has a considerable difficulty and slope, though it is relatively short. Always be prepared for uneven terrain and follow safety guidelines, especially regarding entering mine galleries.


Extend your search for the best caves by checking out these guides of the top ones around Sant Gregori: