Best caves around Romano D'Ezzelino are found within the Veneto region, offering a blend of natural karst formations and significant historical sites. The area is characterized by its mountainous terrain and the presence of former quarries, providing diverse underground experiences. These features contribute to a landscape rich in both geological interest and historical narratives, particularly from World War I.
Last updated: June 30, 2026
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A simply wonderful place, easy to reach from the Carpanè-Valstagna station, following a well-marked path along the Brenta River. The staff was equally fantastic, allowing us to follow the cave tour in both Italian and English (part of my group didn't speak Italian). I recommend going in spring; it's cooler and there's usually less traffic, so you can enjoy it all better. ;)
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The Trenchers of Monte Campolongo - not to be confused with the mountain of the same name and its fort exactly on the opposite western side of the Asiago Plateau - are a long and deep Italian trench from the First World War, dug on a promontory which dominates the final stretch of the Val Brenta. It had no active role during the Great War, but served as an extreme bulwark to prevent a possible invasion of the Austro-Hungarian army from Valsugana. Cleaned and recovered, it features walkways, outposts, tunnels and shelters in a dense and silent forest: today the vegetation largely covers the view, especially in summer, but at the time the view of the valley was clean. You can follow the winding of the trench from inside or from above, along a path complete with little bridges... or a little and a little!
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The Oliero caves are a complex of caverns located on the slopes of the Sette Comuni plateau, near the hamlet of Oliero (municipality of Valbrenta). Much of the water that penetrates through the plateau above flows from the caves, a classic example of karst phenomena. There are four caves currently open to the public: Covol dei Veci and Covol dei Siori from which the Oliero river flows; while the two upper ones, Covol dei Assassini and Covol dee Soree, are now dry. To visit the caves it is necessary to have a ticket and entry is allowed only with a guide. In the park of the caves it is also possible to visit the museum of speleology and karst phenomena and relax at the bike grill bar.
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It's definitely worth having a small flashlight with you ;)
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Here the path goes through a small tunnel in the mountain, from which a passage branches off. We didn't dare to explore it without a flashlight :)
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Impressive as the sound rumbles in the caves, I can hardly believe that the few surviving boys came home completely unnerved, try it. Beware of the few bats, if you see them try not to disturb them
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L'oliero is a show and if you've never been to the caves you don't know what you're missing. Go there
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The caves of Oliero are beautiful. In MTB near the entrance there is a stand, a pump and a screwdriver for small maintenance. Drinking fountain with fresh water to fill the bottles.
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The region offers significant historical cave experiences. The Campolongo Trenches (WW1) provide a tangible connection to the First World War with walkways, outposts, tunnels, and shelters. Additionally, the War Caves are another historical cave system noted for their significance, though they involve challenging climbs. Further afield, the extraordinary Strada delle 52 Gallerie on Monte Pasubio is an engineering marvel from WWI, featuring 52 tunnels carved into the rock, offering both historical insight and breathtaking scenery.
Yes, the area is known for its natural karst phenomena. The Oliero Caves are a complex of caverns where much of the water from the Sette Comuni plateau flows. The Oliero River, near the Oliero Caves, is a natural monument offering a refreshing experience, especially during warmer periods.
You can experience the unique military engineering of the Strada delle 52 Gallerie, a WWI mule track with 52 tunnels, some spiraling upwards within rocky towers. At the Oliero Caves, you can take a boat trip into the caverns, exploring the source of the Oliero River.
Yes, the Oliero Caves and the surrounding Oliero River area are considered family-friendly. The park around the caves offers a museum of speleology and karst phenomena, and a bike grill bar, making it suitable for a day out with children.
The difficulty varies. Sites like the War Caves involve challenging climbs. The Strada delle 52 Gallerie is a challenging but rewarding hike, typically taking around 3 hours for the ascent. Other smaller tunnels, like the Small Tunnel in the Rock, are intermediate and may require a flashlight for exploration.
For the Oliero Caves, spring is recommended as it's cooler and generally less crowded, allowing for a more enjoyable experience. For outdoor historical sites like the Strada delle 52 Gallerie, spring and autumn offer pleasant hiking conditions, avoiding the heat of summer or potential snow in winter.
The region around Romano D'Ezzelino offers various outdoor activities. You can find numerous hiking trails, including those around Monte Grappa. For specific routes, explore the Hiking around Romano D'Ezzelino guide. There are also mountain hikes, such as the challenging Via Ferrata Sass Brusai, detailed in the Mountain Hikes around Romano D'Ezzelino guide, and road cycling routes, including ascents to Monte Grappa, found in the Road Cycling Routes around Romano D'Ezzelino guide.
For some of the darker tunnels, such as the Small Tunnel in the Rock or sections of the Strada delle 52 Gallerie, it is advisable to bring a torch or headlamp. For hiking trails leading to or through caves, appropriate hiking footwear is recommended due to challenging terrain.
The 'Priare Caves' near San Zenone Degli Ezzelini are generally understood to be former quarries. These are man-made excavations for extracting stone, offering a glimpse into the local history of industrial stone extraction and potentially providing interesting geological insights or scenic views from their vantage points.
Yes, to visit the Oliero Caves, it is necessary to have a ticket, and entry is allowed only with a guide. This ensures a safe and informative experience through the complex of caverns.
The Strada delle 52 Gallerie is a military mule track approximately 6.5 km long, with 2.3 km carved into 52 tunnels. It's an open-air museum of the Great War, offering stunning panoramic views. It's a challenging hike, so bring a torch for the darker tunnels and wear appropriate hiking footwear. Information panels along the route explain its historical significance.


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