4.8
(81)
1,414
riders
45
rides
Gravel biking around Sauze D'Oulx is characterized by its location in the Susa Valley, offering diverse terrain within the Cottian Alps. The region features extensive woodlands, such as those found in the Gran Bosco di Salbertrand Natural Park, alongside high-altitude alpine meadows and glacial lakes. A network of former military dirt roads, including the iconic Strada dell'Assietta, provides varied routes across plateaus and through valleys. This landscape offers a mix of challenging climbs and scenic paths suitable for gravel cycling.
…Last updated: August 14, 2026
4.3
(4)
71
riders
39.6km
03:38
1,350m
1,350m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
36
riders
73.0km
05:44
1,880m
1,880m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.8
(5)
43
riders
38.9km
03:12
910m
910m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
74.3km
06:34
2,680m
2,680m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
41
riders
50.8km
04:04
1,190m
1,190m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Here the fun begins and the fight against the dust.
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A village from a bygone era.
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Currently completely empty, you could walk through.
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This hill is best appreciated when climbing from Monfol because it offers an excellent panoramic viewpoint over the Chisone valley. You arrive at the end of a long traverse, very restful especially if cycled due to the moderate gradients. The downside is the significant traffic of off-road vehicles, almost all foreign, that use the beautiful high-altitude road known as the Strada dell'Assietta. Make sure to refuel along the way BEFORE the pass, taking advantage of the many streams, because from the pass onwards, whether heading towards Sestriere or towards the Assietta, you'll find almost no water... and there's a lot of dust! Another recommendation: avoid this route if a thunderstorm threatens, as there are no shelters and you risk serious lightning strikes!
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After the village of Rochemolles, once the paved road ends, the Strada del Sommeiller begins. Military road that reaches the Sommeiller lake and then the Colle del Sommeiller (3,009 m a.s.l.). The pass is an alpine pass in the Cottian Alps (Mont Cenis Alps), located along the border line between Italy and France, between Punta Sommeiller and Rognosa d'Etiache, connecting the city of Bardonecchia (province of Turin) with the municipality of Bramans, in the French department of Savoie.
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The fortification was erected between 1885 and 1894, with the aim of monitoring the outlet of the Frejus railway tunnel in anticipation of a possible French attack. During the First World War, its artillery was requisitioned and moved to the Austro-Hungarian front, while on the eve of the Second World War, it was incorporated into the fortified system of the Alpine Wall. It was then requisitioned by the Germans and completely dismantled after the end of hostilities. It remained abandoned for a long time, until, starting in 1995, a recovery project was initiated, still partly ongoing, equipping the structure with a museum and a guided tour. The road that reaches it from the valley floor is yet another demonstration of the construction skills of military engineering: the dirt road gains altitude with gentle hairpin bends, bordered by dry stone walls that are still perfectly in place. Near Grange Bersac, it passes a charming little church, shortly after the route leaves the woods and ends in wide meadows near another beautiful little church, dedicated to St. Anne. From here, the dirt road splits: straight ahead leads to Pian del Sole and the Bardonecchia MTB circuit, while climbing towards Colomion, turning right, a final short climb reaches the fort. The view of Guglia Rossa and the Re Magi (Three Wise Men) group, which dominate the Bardonecchia basin, is magnificent.
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one of the many hills along the military road
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Spectacular setting at high altitude to do at least once
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There are over 35 gravel bike trails around Sauze D'Oulx, offering a wide range of options for exploring the Susa Valley and the surrounding Cottian Alps.
You'll encounter diverse terrain, from extensive woodlands within the Gran Bosco di Salbertrand Natural Park to high-altitude alpine meadows and glacial lakes. Many routes utilize former military dirt roads, providing a mix of challenging climbs and scenic paths. Expect typical alpine landscapes with meadows, rocks, and scree at higher elevations, such as around Col Basset.
The warmer months, typically from late spring to early autumn, are ideal. During this time, alpine meadows are adorned with mountain flowers, and the woodlands, especially in autumn, offer exquisite chromatic effects as larches change color. Higher altitude routes like the Strada dell'Assietta are generally accessible from June to October, depending on snow conditions.
While many routes in Sauze D'Oulx are rated as difficult, there are a few moderate options. For those seeking an easier introduction, consider routes that stick to lower elevations or less technical sections of the former military roads. Always check the route details for elevation gain and surface conditions to match your skill level.
You can explore the extensive woodlands of the Gran Bosco di Salbertrand Natural Park, discover picturesque glacial lakes like Lake Laux, and traverse iconic mountain passes such as Strada dell'Assietta and Colle dell'Assietta or Blegier Pass. The region also features historical military forts and stunning alpine peaks like Monte Albergian Summit.
Absolutely. Sauze D'Oulx, known as the 'Balcony of the Alps,' offers breathtaking views throughout its trail network. Routes leading to Col Basset provide impressive panoramic vistas, and the Strada dell'Assietta is renowned as one of the most beautiful ridge itineraries in the Western Alps, offering expansive views across the valleys and peaks.
Yes, several routes offer significant distances and elevation. For example, the Col Basset – Col Basset (Sestriere) loop from Sauze d'Oulx covers over 70 km with substantial climbing, providing a challenging long-distance experience through alpine landscapes.
The area is highly rated by the komoot community, with an average score of 4.7 stars from over 40 reviews. Reviewers often praise the stunning natural landscapes, the diverse network of former military dirt roads, and the challenging yet rewarding climbs that lead to incredible panoramic views.
Generally, no specific permits are required for gravel biking on public roads and marked trails in the Sauze D'Oulx area. However, always respect local signage, especially within protected areas like the Gran Bosco di Salbertrand Natural Park, and be aware of any temporary restrictions due to weather or maintenance. Some routes, particularly those on the Strada dell'Assietta, may have specific opening times or vehicle restrictions during certain periods, so it's wise to check local information before you go.
Yes, parking is generally available in and around Sauze D'Oulx, as well as near various trailheads. For routes starting directly from the town, you can often find public parking. For routes deeper into the mountains, such as those accessing the Gran Bosco di Salbertrand Natural Park or the Strada dell'Assietta, look for designated parking areas at key access points or villages along the route.
While many routes are challenging, families with older children or those seeking a less strenuous ride can find suitable sections on wider, less steep dirt roads. Consider exploring the fringes of the Gran Bosco di Salbertrand Natural Park or gentler paths around the villages. Always check the route's elevation profile and surface description to ensure it's appropriate for all family members.
Many trails in the Sauze D'Oulx region, particularly those on dirt roads and through natural parks, are dog-friendly. However, it's crucial to keep dogs on a leash, especially in natural park areas like Gran Bosco di Salbertrand, to protect local wildlife and ensure the safety of other trail users. Always carry water for your dog and be mindful of their endurance on longer or more challenging routes.
Sauze D'Oulx itself offers a variety of cafes, restaurants, and accommodation options. Many of the gravel routes start or pass through the town or nearby villages, making it convenient to find refreshments and lodging. For routes that venture deeper into the mountains, plan your stops accordingly, as amenities may be sparse. Some mountain huts or refuges might offer services during peak season.


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