Best canyons around San Giorio Di Susa are situated within the Val di Susa in Piedmont, Italy, an area characterized by diverse natural landscapes. The region offers various hiking opportunities within the Orsiera-Rocciavrè Natural Park, known for its alpine environments and forests. The most prominent canyon in the vicinity is the Orrido di Foresto, a significant geological formation. This area provides a range of natural features for exploration.
Last updated: August 24, 2026
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The trail is very difficult to find, starting from the first water crossing, but especially between points 4 and 5 (note: I hiked in the opposite direction). I lost the route several times and had to climb very dangerously to finally reach the cave! Komoot didn't clearly indicate the route, and the hiking GPS also showed this route... So extra preparation is necessary! A truly beautiful area!
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There's no real particular danger. Avoid walking on the landslide; you can see the trail on the left (also marked by stone cairns). If you ask the Toesca Refuge to describe the situation and where to go, they'll be very kind and will provide you with information. In general, a GPS track is best.
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The Orrido di Foresto Reserve, established with the aim of protecting the prickly juniper, extends for 200 hectares in the territory of the municipalities of Bussoleno and Susa. It includes the stupendous ravine excavated by the Rio Rocciamelone and the neighboring limestone bastions alternating with xeric prairies. Source: https://www.parchialpicozie.it/page/view/riserva-naturale-speciale-orrido-di-foresto/
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https://tinyurl.com/ya2bb3vg The Great Gorgia is a spectacular "V" incision in deposits of glacial origin, induced by linear erosive processes, in the riverbed of the Prebec stream. Its etymology (the Grën Górge = the great gorge) derives from the exceptional dimensions of this gash about 600 m long, 140 m wide and up to 60-70 m deep. According to a historical source, the Great Gorgia was formed during a flood event in the 15th century.
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A nature reserve a few steps from Chianocco in Val Susa, with high rocky walls used as climbing on the via ferrata starting further downstream. This area is located upstream of the ravine, nice to visit with the stream flowing in the center, but there are no green areas where you can stop
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The most prominent canyon in the area is the Foresto Gorge (Orrido di Foresto), known for its wild environment, towering cliffs, and challenging via ferrata. Other notable gorges include Chianocco Gorge, which features high rocky walls and a stream, and Gran Gorgia, a spectacular incision in glacial deposits.
You will encounter striking geological formations, such as towering limestone bastions and deep ravines carved by rivers. The Foresto Gorge, for instance, features cascading waterfalls, crystalline pools, and is part of a Natural Reserve established to protect unique Mediterranean flora like the prickly juniper.
Yes, the Foresto Gorge is particularly known for its challenging via ferrata, considered one of the most beautiful in Val di Susa. It includes wall climbs and Tibetan bridges, offering an adventurous experience with sections that are overhanging and require significant physical strength. It is not recommended for beginners.
Spring and autumn generally offer the most pleasant conditions for exploring the canyons, with milder temperatures and beautiful scenery. Summer can also be suitable, but be mindful of higher temperatures and potential for increased water levels in the gorges, which can affect accessibility, especially for routes like the via ferrata in Foresto Gorge.
While the main canyon attraction, Foresto Gorge, is known for its challenging routes, there are paths along the hillside that offer panoramic views of the gorge from above, which might be more suitable for families seeking a less strenuous experience. The broader Orsiera-Rocciavrè Natural Park, which San Giorio di Susa is a gateway to, offers diverse hiking itineraries with varying difficulty levels.
Beyond canyon exploration, the region offers a variety of outdoor activities. You can find numerous running trails, such as the 'Running loop from San Giorio di Susa' or more challenging routes like 'Val Gravio Hut – Toesca Hut loop'. For cyclists, there are traffic-free bike rides and gravel biking routes, including options like 'Arch of Augustus in Susa – Pont de Novalesa loop'. You can explore more options in the running trails guide, traffic-free bike rides guide, and gravel biking guide for the area.
The fraction of Foresto, near the Foresto Gorge, lies on a historic route of the Via Francigena, offering a cultural connection. An ancient lazzaretto (quarantine station) is also found in the vicinity, providing a glimpse into the area's past. Additionally, the Susa Valley itself is rich in history, with sites like the Sacra di San Michele visible from certain viewpoints.
For general hiking in the Orsiera-Rocciavrè Natural Park, specific permits are typically not required for day hikes on marked trails. However, for specialized activities like canyoning or via ferrata, especially in challenging areas like the Foresto Gorge, it's advisable to check local regulations and ensure you have appropriate gear and experience. For detailed information on the via ferrata, you can consult Val di Susa tourism resources.
For general exploration, wear sturdy hiking shoes with good grip, as trails can be uneven and rocky. Layered clothing is recommended due to changing conditions. If you plan to tackle the via ferrata in Foresto Gorge, full via ferrata equipment (helmet, harness, lanyards) is essential. Always carry water, snacks, a map or GPS, and be prepared for varying weather.
San Giorio di Susa is accessible by public transport, typically by train to nearby towns in the Susa Valley, from where local buses or taxis might connect to specific trailheads. However, direct public transport to the immediate vicinity of some canyon entrances, especially in more remote areas, might be limited. It's best to check local bus schedules or consider driving for more direct access to trailheads.
Visitors are often captivated by the raw, wild natural beauty and the sense of adventure. The challenging via ferrata at Foresto Gorge is a major draw for those seeking an adrenaline rush and stunning views. The unique geological formations and the serene atmosphere of places like Chianocco Gorge also contribute to a memorable experience.
Yes, especially in areas like Foresto Gorge, routes can be difficult to find and involve dangerous climbing sections. High river water levels can complicate crossings. Always check conditions before you go, consider using a GPS track, and if attempting challenging routes, ensure you have the necessary experience and equipment. Some trails may also have sections with landslides, so always pay attention to trail markers and local advice.


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