Caves around Piasco are primarily found in the broader Piedmont region, where the municipality is located within the Cuneo Province. While Piasco itself does not feature widely known natural cave systems, the surrounding area offers various geological formations and historical underground sites. The region's landscape includes natural cavities, former quarries, and unique rock shelters. These sites provide insight into both natural geological processes and historical human activity in the area.
Last updated: June 29, 2026
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Even today you can see the excavations of the lime quarry. You can find an information panel that reports an episode narrated in 1883 by Aurelio Stella, professor of mineralogy at the Polytechnic of Turin, to the students during a visit to the Varaita Valley. In addition, you will find some interesting information and testimonies of a family about their life in the valley, between departures and returns through the woods.
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Old quarry along the dirt road for costigliole
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At this point there is a small cave, quite deep. Inside there are cave crickets.
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This chapel is particular built under the mountain as if to protect it and the bell tower was made further down the valley and this makes it a bit unique
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Beautiful ... it deserves the walk suitable for everyone
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Narrow sheer walls lead to the alabaster quarries, and as soon as you enter the temperature drops drastically as the sun's rays are unable to reach this small passage. There are two different ones, at different altitudes. They are worth a visit
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This is the best access to get to the alabaster quarries by bike. The other access (lower) involves portage on steps.
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Very pretty and suggestive little church under the rock, a few steps from the bell tower, another panoramic point (5 minutes on foot, 2 minutes by bike). Recommended. Possibility of climbing, but only in the allowed periods.
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The area around Piasco, within the broader Piedmont region, offers a variety of underground experiences. You can find natural geological formations, historical quarries, and unique rock shelters. For example, the Pink Alabaster Caves of Busca are known for their unique geological formations and historical extraction of alabaster, while The Camossere Quarry provides insight into historical lime extraction.
Yes, the region has several sites with historical significance. The Chapel of San Leonardo Under the Rock is a distinctive religious building from the 16th century, built directly beneath a rock overhang. Additionally, the Gheisa d'la Tana Cave in Val d'Angrogna, though further afield, is a natural cavity with historical importance as a clandestine place of worship for the Waldensian community during periods of persecution.
The Pink Alabaster Caves of Busca are located on private land near Eremo Belmonte. Visitors can enter at their own risk. While there are signs in the village pointing to the caves, further signage is limited, making the visit an adventure. There is also a specific bike route to access the alabaster quarries, which avoids steps.
While specific 'family-friendly' designations for all caves are not available, the Gheisa d'la Tana Cave in Val d'Angrogna is accessible via a well-marked hiking trail suitable for all, making it a good option for families. For the Pink Alabaster Caves of Busca, visitors should be aware they are on private land and require careful exploration.
The Piasco area offers various outdoor activities. You can find numerous hiking trails, such as the 'Piasco Hills Loop' or 'Historic center of Piasco – Church of St. Brigid loop'. For cycling enthusiasts, there are gravel biking routes like the 'Sampeyre Pass – Birrone Pass loop' and challenging MTB trails including the 'Laykamaya Trail loop'. You can explore more options on the Hiking around Piasco, Gravel biking around Piasco, and MTB Trails around Piasco guide pages.
The Riserva Naturale delle Grotte del Bandito is a nature reserve featuring caves, accessible via a well-maintained dirt road alongside the Gesso da Valdieri stream. It offers a tranquil environment surrounded by greenery and is suitable for cycling, providing a peaceful natural experience.
While the Pink Alabaster Caves of Busca are described as 'superb hidden caves' by visitors, the broader Piedmont region, including the Cuneo Province where Piasco is located, has numerous natural cavities listed in the 'Catasto Speleologico Piemontese e Valdostano'. These may include smaller, less publicized caves for those seeking more secluded exploration, such as Barma d'Bastian, a small, quite deep cave.
The Pink Alabaster Caves of Busca are notable for their unique geological formations, consisting of five deeply cut gorges from which pink alabaster was historically extracted. The surrounding earth in this area is also distinctly colored red. Other sites like The Camossere Quarry showcase visible excavations from historical lime extraction, offering a glimpse into geological processes and human interaction with the landscape.
Visitors appreciate the unique and often hidden nature of these sites. For instance, the Pink Alabaster Caves of Busca are enjoyed for their adventure and the discovery of alabaster stones and red-colored earth. The Chapel of San Leonardo Under the Rock is praised for its beautiful and suggestive setting beneath the rock. The area's blend of natural beauty and historical significance is a common draw.
When visiting The Camossere Quarry, you can still see the excavations from the old lime quarry. An information panel on site details an episode from 1883 and provides testimonies about local life in the Varaita Valley, offering historical context to the site. It is located along a dirt road, making it accessible for exploration.
While specific seasonal considerations for all caves are not detailed, generally, spring and autumn offer pleasant weather for exploring outdoor sites and trails leading to caves. For the Chapel of San Leonardo Under the Rock, climbing activities are restricted from February to August to protect peregrine falcons, suggesting that other times of the year are more suitable for full access to the area.
Information on dog-friendliness for all specific caves is not readily available. However, for natural outdoor sites like the Gheisa d'la Tana Cave, which is accessed via a hiking trail, dogs on a leash are generally permitted unless otherwise specified by local regulations. For sites on private land, such as the Pink Alabaster Caves of Busca, it's advisable to exercise caution and respect the property.


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