Best canyons around Caltrano are primarily characterized by the Val d'Astico, a deep valley carved by the Astico River. This region is situated between the Venetian Prealps and the Little Dolomites, offering a dramatic topography. Caltrano is located where the Astico River interacts with the Bregonze hills and the southern side of the Asiago plateau. The area features a large hydrographic basin with various tributaries and diverse terrain, including alpine meadows and dense forests.
Last updated: August 23, 2026
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This route is absolutely a very challenging one! We started hiking from Rotzo with children aged 5 to 10. It's just manageable up to the waterfalls and a very beautiful hike. At the waterfall itself, there's a pleasant flat section but with dangerously deep drops. The return route is downright dangerous from the start and not recommended. We explored the route a bit further, and there it's even risky for adults. Many other hikers turned back as well.
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The route is very suggestive and challenging. In addition, Contrà Pria in the summer is a destination for many bathers and tourists with services that have nothing to envy of a seaside resort. Luciano
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Because it's a beautiful place
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The Astico river here makes its way between rocks and canyons and creates wonderful pools of emerald water. They are swimmable, there is some small beach and shade. Ample parking.
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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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A beautiful place in the Assa Gorge.
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Very nice route to do, all trail in the middle of the woods. I recommend caution since one misstep is enough to slip and get hurt, there are sheer points so always be extremely careful. (Better to do it if you have a minimum of experience)
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Natural chasm that nature is now recovering, worth seeing if you pass through the area
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The primary canyon-like feature in the Caltrano region is the impressive Val d'Astico (Astico Valley). This deep valley, carved by the Astico River, offers breathtaking landscapes between the Venetian Prealps and the Little Dolomites, characterized by majestic peaks, lush forests, and picturesque villages.
The canyons around Caltrano offer diverse natural features. You can visit the Contrà Pria Pools, known for its crystal-clear water amidst rocks. Another unique spot is the Stonhaus Sinkhole, a chasm formed by a collapsed karst cave. Don't miss the Pach waterfall, where the Pach stream cascades over a thirty-meter drop within a forested area.
Yes, for experienced hikers, the Sentiero delle Cenge offers a spectacular and adventurous route. It's rated EE (Expert Hikers) due to several exposed sections with climbing ropes and its overall challenging nature. It's not recommended for those with a fear of heights.
The Val d'Astico has a rich history, with evidence of prehistoric and Roman inhabitants, and it played a significant role during World War I. Within the Monte Corno Rock Labyrinth, you can find two Italian artillery emplacements from the First World War, dug directly into rock turrets to defend the Piana di Granezza.
Beyond exploring the canyons themselves, the Caltrano area is excellent for various outdoor activities. You can find numerous hiking trails, including moderate and difficult routes like the 'Historic WWI Trail to Malga Sunio'. There are also mountain hikes and running trails to explore the diverse terrain.
For waterfalls like the Pach waterfall, the ideal time to visit is after heavy rains to ensure an active flow, though this can make trails treacherous and slippery. Generally, spring and autumn offer pleasant temperatures for hiking and exploring the natural beauty of the Val d'Astico.
While some trails can be challenging, many areas within the Val d'Astico are suitable for family excursions. For instance, the hike to the Pach waterfall is manageable for children up to a certain point, offering a beautiful experience before the more dangerous sections. Always check specific route difficulties before heading out with children.
Visitors frequently praise the unspoiled nature and panoramic views of the Val d'Astico. Highlights like the Contrà Pria Pools are loved for their crystal-clear waters and natural setting, often compared to Sardinia. The dramatic geological formations, hidden spots, and the sense of adventure on trails like the Sentiero delle Cenge are also highly appreciated.
Yes, the Contrà Pria Pools are a popular spot for swimming. They feature crystal-clear water amidst rocks, offering a refreshing experience in a natural setting.
While specific rules for every trail vary, many outdoor areas in Italy are dog-friendly. However, for challenging routes like the Sentiero delle Cenge, which has exposed sections and requires caution, it might not be suitable for all dogs. Always ensure your dog is on a leash and you clean up after them.
For additional insights into Caltrano and its surrounding areas, you can visit visitpedemontana.com, which provides context on Caltrano's location between the Astico, hills, and mountains.
The region is rich in geological diversity. Besides the deep Val d'Astico, you can encounter unique features like the Stonhaus Sinkhole, a large karst cave collapse, and the Monte Corno Rock Labyrinth, where nature has carved deep furrows into Rosso Ammonitico limestone, forming corridors and rock blocks.


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