Best canyons around Gallio are located on the Asiago Plateau, a region known for its distinctive karst topography and deep natural gorges. This area features impressive canyons carved by streams, showcasing significant geological formations and historical sites. Visitors can explore a landscape shaped by water, offering both natural beauty and cultural insights.
Last updated: June 3, 2026
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Via delle Prealpi – On the way with the MTB in the Venetian Prealps
Across the high Italian plains – bikepacking the Asiago Loop
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Mountain Hikes around Gallio
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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Super labyrinth, with all the indications that goes from narrow passages to some rocks where you have to climb, be careful that sometimes you also have to jump between the rocks and below there is a nice jump. Highly recommended 😍🤩
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Very suggestive place with beautiful passages between the rocks and beautiful panoramic views
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Very small rock labyrinth, but nice to do, be careful in winter that between fallen trees that do not allow passage and the frozen snow you risk getting hurt.
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Natural chasm that nature is now recovering, worth seeing if you pass through the area
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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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The "Sanctuary of the Madonna del Caravaggio al Buso" is so named because it is dedicated to the Madonna del Caravaggio (not the painter, but the town in the province of Bergamo where the Virgin appeared in 1432); and because it is built above a high natural gorge (the "Buso Vecio")... however, it is commonly referred to as "the Madonna del Buso." What is striking about this humble little temple and its bell tower is their secluded and solitary location, hidden and almost forgotten: they emerge unexpectedly at the bottom of the narrow and shady Val Frenzèla, immersed in coniferous forests, along the old and obsolete road connecting Gallio and Stoccareddo, used until the construction of the more convenient and faster metal overpass at the end of the 20th century, which now overlooks the shrine at a height of 70 meters! History. Here, in 1830, Fra Giovanni Battista Casera, a Franciscan hermit, returning from one of his many pilgrimages, found himself stranded by a severe spring storm and the resulting "brentana" (river flood), which prevented him from crossing the ravine. He therefore sought shelter among these rocks. As an act of faith for having escaped danger, in accordance with his own wishes, the bridge connecting the two banks and the chapel were built in the years immediately following, serving as a rest stop for travelers and a place of worship. He himself spent the rest of his days as a hermit in that building. The site quickly became a pilgrimage destination. It was destroyed by bombing during World War I and rebuilt in 1927. https://www.vaticano.com/turismo/scheda_1251_il-santuario-del-buso.html
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The Brustolà Labyrinth (or Monte Fiaretta Labyrinth), near the Campomuletto Refuge, is the little brother of the much more famous Castelloni di San Marco: less well-known, more hidden and intimate, wilder and more adventurous; equally, and perhaps more, evocative precisely because of its "secrecy." A hidden gem! It is a natural stronghold of karst rocks that conceals towering canyons, narrow passages, and vertical walls that seem to crush you and fall upon you. Crossing the hidden and narrow entrance, protected by an impenetrable stone wall, you feel like you're entering a secluded and exclusive world. It is not signposted, and the entrance is remote and extremely narrow. Inside, the path is marked with blue dots painted on the rocks; beware of deep crevasses in the ground. EE.
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The Buso Vecio Canyon, or Canyon della Madonna del Buso, is a deep gorge near Gallio, carved by the Frenzela stream. It features narrow passages, towering rock walls, and a unique atmosphere. It's located beneath the Sanctuary of the Madonna del Caravaggio at Buso, which is often referred to as the Madonna del Buso.
The canyon offers a surreal atmosphere with its interplay of light and shadow, vibrant green lichens, and diverse rock hues. Its width can be less than two meters in some sections, while reaching depths of approximately thirty meters. The smoothed stones of its bed bear witness to the relentless work of water, creating a distinct and memorable experience.
Access to the Buso Vecio Canyon is typically achieved by descending a steep path, equipped with steps and a metal handrail, located near the Sanctuary of the Madonna del Caravaggio at Buso. Visitors can walk along the dry bed of the torrent. A common starting point for excursions is from the contrada Ronchi, with parking available near the church of Buso.
Yes, the Buso Vecio Canyon is often part of a larger hiking route called the Valle dei Mulini (Valley of the Mills), which includes the 'Sentiero degli Antichi Opifici' (Path of the Ancient Workshops). This is considered a low-difficulty trek, suitable for families. Additionally, the Oliero Caves are also noted as family-friendly.
The Sanctuary of the Madonna del Caravaggio at Buso, located above the Buso Vecio Canyon, is a significant historical and spiritual site. Rebuilt in 1927 after being destroyed in World War I, it has been a place of popular devotion for centuries. The Valle dei Mulini also showcases historical human activity with its ancient water mills and rural workshops.
The Labirinto del Brustolà is a natural stronghold of karst rocks near the Campomuletto Refuge. It features towering canyons, narrow passages, and vertical walls, offering a wilder and more adventurous experience. It's known for its 'secrecy' and is marked by blue dots on rocks inside.
The Stonhaus Sinkhole is a spectacular chasm created by the collapse of a huge karst cave roof. It has an opening approximately 20 meters in diameter and a depth of at least 30 meters, with a distinctive natural stone arch and tall fir trees growing from its bottom. In the Cimbrian language, 'Stonhaus' means 'House of Stone'.
The Monte Corno Rock Labyrinth is a geological labyrinth where nature has carved deep furrows into Rosso Ammonitico limestone, forming corridors through square blocks of rock. This area also contains Italian artillery emplacements from the First World War, dug into rock turrets.
The Oliero Caves are a complex of caverns on the slopes of the Sette Comuni plateau, where much of the water from the plateau emerges. Visitors can take a boat trip into the caves, and the site also includes a museum of speleology and karst phenomena.
The Buso Vecio Canyon offers a distinct experience throughout the year. In warmer months, it provides a cool, silent environment. During winter, due to its perpetually shaded location, ice formations and chilly temperatures can be expected, sometimes requiring the use of crampons for winter hiking.
Beyond exploring the canyons, the region around Gallio offers various outdoor activities. You can find numerous mountain hikes, MTB trails, and road cycling routes. The Valle dei Mulini, connected to the Buso Vecio Canyon, is also popular for hiking.
The difficulty levels vary. The Valle dei Mulini, often combined with the Buso Vecio Canyon, is considered a low-difficulty trek suitable for families. However, some highlights like the Labirinto del Brustolà are described as challenging, with narrow passages and sections requiring climbing or jumping between rocks. The Sanctuary of the Madonna del Caravaggio at Buso and Stonhaus Sinkhole are intermediate, while the Monte Corno Rock Labyrinth is also intermediate but can have blocked paths or ice in winter.


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