Mountain passes around Viù, located in the Metropolitan City of Turin, Italy, offer diverse landscapes and historical significance. The region is part of the Graian Alps, providing connections between valleys like the Susa Valley and the Viù Valley. This area features alpine passes, protected natural parks, and historical sites commemorating World War II events. The terrain includes coniferous forests, heaths, and beech forests, with panoramic views extending across the plains and to distant mountain ranges.
Last updated: April 28, 2026
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view from the fork hill
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Connection between the lower Susa Valley and the Viú Valley. All asphalt
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What can I say, pure spectacle!
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Crucial point of several itineraries, spectacular view
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now only a little snow. Lots of people with the first warm weather
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From Mezzenile, 2024 brought new asphalt and it's a good ride compared to before. Beautiful but the second half is quite challenging, especially the last 3 km. Top views at the top from both sides. It deserves it.
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Hill that joins Viú to Mezzenile, all asphalt
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The Viù region, nestled in the Graian Alps, features several significant mountain passes. Among them, Colle del Lys Pass and Memorial Tower is well-known for its historical importance and panoramic views. Another popular spot is Colle della Portia Hut, offering tranquil surroundings and expansive vistas. For those seeking a challenge, Dieta Pass (Mezzenile) is recognized for its demanding ascent and rewarding summit views.
The mountain passes around Viù offer breathtaking panoramic views. From Colle del Lys, you can see across the plains north of Turin to the Cuneo area and even the Maritime Alps. Colle della Portia provides vast panoramas of Val Ceronda, Monte Musinè, and on clear days, views extending to Turin. Even challenging passes like Dieta Pass reward visitors with top views from both sides at the summit.
Yes, Colle del Lys holds profound historical significance as a 'place of memory' for the Italian Resistance. It was the site of a battle in July 1944, commemorated by a memorial tower and an adjacent museum. The 'Partisan Trail' in the area further highlights its role in World War II. Colle della Portia also has historical echoes, having been used by partisan brigades during the war.
The Viù region offers a wide range of outdoor activities. For hiking, you can explore trails like the 'From Col del Lys to Rifugio Portia and Monte Arpone' loop or the 'Punta Sourela Summit Trail'. Cycling is also very popular, with routes such as the 'Lys Pass loop from Acquarossa'. In winter, Colle del Lys transforms into the 'Yeti Village' for snow sports. You can find more details on various routes in the Hiking around Viù, Road Cycling Routes around Viù, and Running Trails around Viù guides.
Yes, the Viù area offers options suitable for families. Colle del Lys Pass is considered family-friendly, and the surrounding natural park has a network of trails suitable for various experience levels, including easy family walks. The walk to Colle della Portia Hut from Colle del Lys is also relatively easy, making it a good option for families.
The best time to visit the mountain passes around Viù largely depends on the activities you plan. For hiking, cycling, and enjoying the natural park, late spring through early autumn (May to October) generally offers pleasant weather. In winter, Colle del Lys becomes a destination for snow sports like cross-country skiing and snowshoeing, transforming into the 'Yeti Village'.
Absolutely. The mountain passes around Viù are very popular with cyclists. Colle del Lys is known for its challenging climbs and descents. Dieta Pass (Mezzenile), despite its 'monstrous' final 3 kilometers, has seen recent asphalt improvements, making it a rewarding ride for experienced cyclists. You can find specific cycling routes in the Road Cycling Routes around Viù guide.
Yes, at the summit of Colle del Lys, visitors can find a bar and a refuge, providing a place to rest and refresh. Colle della Portia hosts the Rifugio Colle della Portia, a charming stone refuge that functions like a well-equipped bivouac, offering a place for hikers to rest.
Colle della Portia is unique for its tranquil refuge, the Rifugio Colle della Portia, situated on a beautiful hill with a large grassy area perfect for relaxation. It offers expansive panoramic views of the Val Ceronda and Monte Musinè, extending to Turin on clear days. It's also relatively accessible with an easy walk from Colle del Lys.
The mountain passes around Viù offer a range of difficulty levels. Some, like the route to Colle della Portia from Colle del Lys, are relatively easy walks. Others, such as Dieta Pass (Mezzenile), are known for their challenging ascents, particularly the final 3 kilometers, requiring good training for cyclists and hikers. There are routes suitable for all experience levels, from easy to difficult.
Yes, in winter, Colle del Lys transforms into the 'Yeti Village,' offering a snow park for children and a cross-country ski circuit. It's a popular spot for skiing and snowshoeing enthusiasts, with some ski lifts still operational for downhill skiing.
Colle del Lys has been recognized as a protected provincial natural park since 2004, preserving its rich biodiversity. The landscape features coniferous forests of larches, black pines, and spruces, intermingled with heaths and beech forests. It is also an important bird migration route, offering a diverse natural environment to explore.


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