Canyons around Premia, a comune in Italy's Piedmont region, are known for their exceptional geological formations, particularly the Uriezzo Gorges. These ravines were formed by the erosive power of ancient glaciers and rivers, notably following the Wurmian Glaciation. The area presents a natural landscape shaped by powerful forces over thousands of years. Premia is located in the Antigorio Valley, offering a context for scenic and historical exploration.
Last updated: June 30, 2026
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⚠️ June 13, 2026 | south gorge closed for maintenance but there were no dates. So pay attention
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There is a feeling of abrupt detachment when we enter what seems to be the mysterious door to the very heart of the mountain: almost suddenly we pass from a gentle, sunny and verdant landscape to a space of shadow where rare rays of sun struggle to penetrate, grazing the walls like blades of light, we pass from the heat to the cool-humid where only mosses and lichens manage to thrive and develop. We walk easily on the flat and dry bottom, created by the deposits of the streams, large irregularly rounded cavities alternate with narrow passages and above our heads dizzying walls seem at times to almost join together leaving only narrow openings towards the sky. Some metal ladders make the climb easier.
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In Maiesso (535 m) you can admire, along the course of the Toce river, the so-called 'giants' potholes': the rocky banks hit by the swirling subglacial current, have been sculpted as if they were soft clay, giving rise to semicircular, sinuous, smooth and enveloping shapes, splendid inlets where the current relaxes and the torrent widens into sparkling pools of water that invite you to take a dive and a 'vivifying' immersion. Here you can also observe the "zero unit", the oldest formation in our Alps that emerges only here in the Antigorio valley.
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Beautiful bridge over an even more beautiful gorge.
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Well developed waterfall of the Torrenete Devero, simply impressive
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Impressive glacier mills accessible via stairs
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The Premia area is renowned for its geological formations, particularly the Uriezzo Gorges. Key highlights include the Giant's Kettles of the Toce, a natural monument offering an easy and panoramic excursion. Another must-see is the Uriezzo South Gorge, an impressive ravine you can walk through, experiencing a dramatic transition from sunny landscapes to cool, shadowed rock walls. You can also admire the glacial pots from above at Balmasurda Bridge.
Yes, several areas are suitable for families. The Giant's Kettles of the Toce offer an easy and panoramic excursion among the ravines, perfect for a family outing. The Uriezzo South Gorge is also considered family-friendly, allowing visitors to walk through its impressive length on a relatively flat bottom, with some metal ladders making the climb easier.
The canyons around Premia showcase remarkable geological formations carved by ancient glaciers and rivers. You'll encounter deep, sculpted rock walls, winding passages, and unique glacial potholes. Specific features include the Giant's Kettles of the Toce with their turquoise blue mountain water in white stone beds, and the impressive depths and intricately carved walls of the Uriezzo South Gorge. You can also see the powerful waterfalls and associated potholes at Le Caldaie del Diavolo.
The canyons are generally accessible and enjoyable during warmer months. The Uriezzo Gorges, for instance, offer a cool, humid environment, providing a refreshing escape from summer heat. However, specific conditions can vary, so it's always advisable to check local weather and trail conditions before your visit.
Beyond exploring the canyons, the Premia area offers a variety of outdoor activities. You can find numerous hiking trails, such as the moderate 'The Cascata del Rio d'Alba, Alpe Bee and Piani di Aleccio - Ring tour' or the 'Salecchio Walser Villages Trail'. For cyclists, there are routes like the 'Lago di Devero Loop Trail' or more challenging road cycling options like 'Cascata del Toce and lago di Morasco'. You can find more details on these activities in the hiking guide and cycling guide for Premia.
Yes, there are several excellent viewpoints. From the Balmasurda Bridge, you can admire the Glacial Pots from above, offering a unique perspective of the river Toce and its formations. The Orridi di Urezzo Glacial Garden also features a small bridge about 50m above the Toce, providing an impressive view into the narrow gorge.
The Uriezzo Gorges are a testament to immense natural forces over millennia. They were formed following the Wurmian Glaciation, when the powerful Toce Glacier, once over 1000 meters thick, and subsequent rivers sculpted the rock. This makes them a rare glaciological park, showcasing the erosive power of ice and water that shaped the landscape over thousands of years.
The difficulty varies depending on the specific gorge or trail. For example, the Giant's Kettles of the Toce offer an easy and panoramic excursion. The Uriezzo South Gorge can be walked through its full length on a relatively flat bottom, though it is categorized as intermediate to challenging due to its unique environment and some metal ladders. Always check specific trail information for the most accurate difficulty assessment.
Absolutely. Premia is also known as a thermal spa town. You can combine your adventure in nature with relaxation at the Premia Thermal Baths, which feature hyperthermal water from the Cadarese spring. The surrounding Antigorio Valley also offers scenic and cultural itineraries, allowing you to explore nearby Walser villages and other historical sites.
Visitors are consistently impressed by the spectacular natural beauty and unique geological formations. The feeling of abrupt detachment when entering the cool, shadowed depths of gorges like the Uriezzo South Gorge, with its dizzying walls and sculpted rock, is often highlighted. The easy and panoramic excursions, such as those at the Giant's Kettles of the Toce, are also highly appreciated for their accessibility and stunning views.
When exploring the gorges, be aware that some areas, like the Uriezzo South Gorge, involve walking through narrow passages and may have metal ladders. The Balmasurda Bridge is 50m high, so those who suffer from vertigo might find it challenging. Always wear appropriate footwear, stay on marked paths, and be mindful of your surroundings, especially in wet conditions.


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