4.6
(261)
3,500
riders
43
rides
Touring cycling around Oyace offers routes through the tranquil Valpelline valley, characterized by alpine landscapes, high pastures, and larch forests. The region features varied terrain, from valley floors traversed by the Buthier River to higher elevations. Cyclists can explore routes that wind through dense woods and connect to characteristic villages, providing a blend of natural beauty and cultural interest. This area is ideal for those seeking a peaceful cycling experience amidst dramatic mountain scenery.
Last updated: May 7, 2026
4.5
(4)
88
riders
45.6km
03:44
1,360m
1,360m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(11)
82
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.3
(4)
44
riders
24.4km
02:09
620m
620m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
27
riders
21.4km
01:45
620m
620m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
22
riders
32.0km
03:55
1,170m
1,160m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
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Beautiful picnic spot with WC and magnificent mountain view
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Il Prarayer is an alpine plateau located at about 2000 meters above sea level, at the end of the Place-Moulin lake. It is reached by a simple path that runs along the lake, almost always flat. The environment is open, with meadows, small streams, and some alpine pasture buildings. The landscape is surrounded by high peaks and glacial environments, clearly visible in the background. The Rifugio Prarayer is located here, used as a base for longer excursions. The area is suitable for a quiet break after the walk along the lake. Itineraries to side valleys and high-altitude routes start from here. Despite the altitude, the setting remains accessible and not very demanding.
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The Place Moulin dam is a majestic arch-gravity dam, designed to make the most of the narrow and incised conformation of the valley. Its concrete structure develops with a slight curvature, which allows the water's thrust to be transferred to the lateral rock walls, reducing direct pressure on the base and ensuring high stability. With a height of approximately 155 meters and a crest length of over 600 meters, it represents one of the most imposing hydraulic works in the Italian Alps. The artificial basin formed upstream reaches a capacity of over 100 million cubic meters of water, mainly fed by the Buthier stream and glacial meltwater. The plant is an integral part of a hydroelectric system: the accumulated water is conveyed through penstocks to power plants located downstream, where the head is transformed into energy. The management of levels is regulated by surface and bottom outlets, designed to control both floods and ordinary releases.
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The Marmitta dei Giganti in Bionaz is a striking cavity carved into the rock that tells of the power of the alpine glaciers. It formed during the last ice age, when meltwaters, laden with sand and stones, channeled into powerful vortices: the debris, rotating ceaselessly, smoothed the rock to create this deep, almost perfectly shaped "pot". Alongside the scientific explanation, the charm of legend also survives: it is said that giants dug these cavities, using them as containers or leaving their superhuman strength imprinted on them. It is precisely this intertwining of nature and imagination that makes the place so fascinating.
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BY, spectacular and wide valley
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Very peaceful walk around the lake and majestic lake.
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You can also stay for just a few hours: the hour costs 50 cents (as of 2025).
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At the hut, you can enjoy good, traditional dishes at really fair prices. In good weather, you can enjoy the view of the lake from the terrace. If the weather is bad, there's plenty of space inside, too.
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Touring cycling routes around Oyace offer a diverse range of terrain. You'll find paths winding through the tranquil Valpelline valley, characterized by lush grasslands and forests, often traversed by the Buthier river. As you gain elevation, the landscape transitions to alpine meadows and dense woods. Some routes, like the journey towards the Place Moulin Dam, involve cycling through narrow gorges alongside vertical rock faces, providing a challenging yet rewarding experience amidst dramatic mountain scenery.
Yes, while many routes around Oyace are rated as difficult, there are options for easier rides. For instance, the route Along Lake Place Moulin is classified as easy, offering a gentler experience. The region's varied terrain means you can find paths that cater to different ability levels, including some valley floor sections that are less demanding.
The region boasts breathtaking alpine panoramas. A prominent natural attraction is the Place Moulin Dam and its impressive lake, one of Europe's largest reservoirs, surrounded by snow-capped peaks. You'll also encounter the verdant basin of the Valpelline valley, with its grasslands and forests. Higher up, the Montagnayes Nature Reserve offers typical alpine environments with larch and spruce forests. Many routes provide views of majestic mountains like Mont Blanc, the Matterhorn, and Gran Paradiso.
Absolutely. Oyace and its surroundings are rich in history. You can spot the medieval octagonal watchtower, the Tour de la Croux (Tornalla Tower), which dates back to 1197. The Parish Church of Saint Michael Archangel in Oyace is another landmark showcasing local artistry. Additionally, the Porta Pretoria (Aosta) – Arch of Augustus loop from Valpelline takes you through historical landmarks in the wider Aosta Valley.
The best time for touring cycling in Oyace is generally during the warmer months, from late spring to early autumn. This period offers pleasant temperatures and clear access to most routes, as higher elevations will be free of snow. The region's alpine nature means conditions can vary, so checking local weather forecasts before your ride is always recommended.
Yes, Oyace offers several excellent circular routes. A popular choice is the Place Moulin Dam – Place-Moulin Lake loop from Oyace, which is a challenging yet rewarding experience. Another option is the Oyace – Lake Lexert loop from Valpelline, leading through scenic lake areas. These loops allow you to start and finish in the same location, making planning easier.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 200 reviews. Reviewers often praise the peaceful cycling experience amidst dramatic mountain scenery, the blend of natural beauty with cultural interest, and the diverse network of routes that cater to different abilities. The stunning alpine panoramas and the tranquility of the Valpelline valley are frequently highlighted.
Yes, several routes feature beautiful lakes. The Place Moulin Dam – Place-Moulin Lake loop from Oyace takes you to one of Europe's largest reservoirs. Additionally, the Oyace – Lake Lexert loop from Valpelline leads through scenic lake areas, offering picturesque views and serene spots for a break.
There are over 35 touring cycling routes available around Oyace, offering a wide variety of options for different skill levels and preferences. This extensive network ensures that cyclists can find new adventures and explore different parts of the Valpelline valley and beyond.
Yes, experienced riders will find plenty of challenging routes. Out of the 39 available routes, 27 are classified as difficult. Examples include the Porta Pretoria (Aosta) – Arch of Augustus loop from Valpelline and the Place Moulin Dam – Place-Moulin Lake loop from Oyace, both featuring significant elevation gains and demanding sections through alpine landscapes.
Oyace and the characteristic villages throughout the Valpelline valley offer opportunities for rest and experiencing local life. You'll find various cafes, pubs, and accommodation options in these villages, providing convenient stops for refreshments or overnight stays during your cycling tour. It's advisable to check availability, especially during peak season.


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