Caves around Asiago are a prominent feature of the Asiago Plateau, a significant karst massif in Europe. This region is characterized by an extensive network of underground caves and chasms, offering diverse natural attractions for exploration. With more than 3000 explored caves, the area provides opportunities to discover unique geological formations and historical sites.
Last updated: May 18, 2026
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When you pass by and observe this place, try to imagine the work done by young people in their early twenties in prohibitive conditions.
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It is very useful to bring a headlamp with you.
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Bring a flashlight and go dark.
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74 meter long tunnel with no exit and 4 final outlets where the artillery was positioned. A light was needed.
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During the First World War, in view of the Battle of Ortigara in 1917, the area on the eastern slopes of Cima Caldiera was transformed into an Italian logistics base of enormous tactical importance: one of the main storage centers for food, ammunition, tools and materials needed for combat and the sustenance of the troops. It was located on the slope sheltered from enemy fire, but close to the front line, to which it was connected by a web of walkways; it was accessible via a wide and comfortable road from Piazzale Lozze, which is now used as a path; the six tunnels dug one after the other, connected internally by a single corridor, served as warehouses and were hidden from view by external wooden barracks that, leaning against the rock, covered the entrances. Two interesting tables show the inventory of the goods stored: food for the soldiers, daily rations and materials for the Engineers.
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the sinkhole is quite impressive and quite intimidating
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The Asiago Plateau offers diverse natural features. You can find impressive sinkholes like the Siesòn Cave (or Sciasòn Chasm), which descends 96 meters. The region also features caves with hydrological characteristics, such as the Grotte di Oliero, where water resurfaces to form the Oliero River, and the Buso del Giasso, which remarkably contains an internal glacier.
Yes, the Asiago area is rich in historical cave sites, particularly from World War I. You can visit the Gun Emplacement Tunnel of Monte Cengio, an Italian military post, or the WW1 Command Gallery, which served as a command post and first aid station. Another significant site is the Cima Caldiera Logistics Base Caves (World War I), used for supplies during the Battle of Ortigara.
While many caves in Asiago require caution, the Grotte di Oliero offers guided tours, making it a more accessible option for families. For those seeking a less strenuous experience, historical tunnels like the Gun Emplacement Tunnel of Monte Cengio provide an engaging historical exploration without the challenges of deep caving.
The Asiago Plateau is known for its deep chasms. The Siesòn Cave (or Sciasòn Chasm) is an impressive sinkhole reaching 96 meters deep. The deepest explored cave in the region is the Abisso of Malga Fossetta, plunging over 1,000 meters, primarily a destination for experienced speleologists. The Tanzerloch is another spectacular open chasm, 80 meters deep with a 40-meter diameter opening.
The Asiago Plateau is ideal for combining cave exploration with various outdoor activities. You can find numerous hiking trails, including routes to historical sites and viewpoints. The area also offers excellent opportunities for road cycling and gravel biking, allowing you to explore the diverse landscapes surrounding the caves.
Yes, some caves provide unique viewpoints. The Abisso of Sciason, for instance, has a large window on its north wall allowing visitors to view the first well from a balcony 30 meters above the ground. The Leute Kuvala (Cave of the People) also offers a spectacular view overlooking the Val d'Assa from a large boulder wedged in a window within its second room.
The Grotte di Oliero are located on the slopes of the Sette Comuni plateau and are notable for being the resurgence point of the Oliero River. Visits are guided and require a ticket. These caves are particularly interesting for their striking hydrological features, offering a chance to experience an underground river.
The Tanzerloch, a spectacular open chasm near Camporovere, is steeped in local folklore. A legend involving a shepherd, witches, and the devil adds a mystical allure to this impressive natural wonder, making it more than just a geological site.
The best time to visit depends on the specific cave and your preferences. Many caves are accessible during warmer months. However, some chasms like the Siesòn Cave can have ice year-round, making them challenging and potentially slippery, especially in colder months. Always check conditions and be prepared for varying temperatures underground.
Yes, the Val d'Assa is known for its cave drawings, which are attributed to prehistoric communities. While not vast underground systems, these historical sites offer a fascinating glimpse into ancient human presence and art in the region, providing significant cultural value.
For general cave exploration, it's advisable to bring appropriate footwear with good grip, a headlamp or flashlight, and extra layers of clothing as cave temperatures can be cool. For more challenging caves or abysses, specialized equipment and experience are necessary. Always exercise caution, especially in areas with ice or steep descents, and consider guided tours for complex sites.
Visitors frequently appreciate the tranquility and unique natural settings of the caves, such as Anguane's Cave. The impressive scale and depth of chasms like the Siesòn Cave also leave a lasting impression. Many are also drawn to the historical significance of the World War I tunnels, finding them cool and majestic.
While specific dog-friendly cave designations are rare, many outdoor trails leading to cave entrances or historical tunnels might be suitable for dogs on a leash. However, deep or narrow caves, or those requiring special equipment, are generally not recommended for pets due to safety concerns for both the animal and other visitors. Always check specific site regulations before bringing your dog.


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