4.7
(54)
1,093
riders
29
rides
Touring cycling around Ollomont, situated at 1,335 meters in Italy's Aosta Valley, offers routes through a wide, green, and sunny alpine environment. The region is characterized by its wild nature, featuring numerous tarns and streams, and is surrounded by impressive peaks. Cyclists can explore the picturesque Valley of By, known for its extensive pastures and towering mountains, with routes often leading towards glaciers and dramatic vistas. This area provides diverse cycling experiences, from challenging ascents to scenic loops around significant…
Last updated: May 15, 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.
4.3
(4)
44
riders
24.4km
02:09
620m
620m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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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.
5.0
(1)
20
riders
32.2km
02:51
1,200m
1,200m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Mountain Hikes around Ollomont
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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Recommended route in the opposite direction because otherwise the path that goes down is quite steep and very vertical
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The touring cycling routes around Ollomont are primarily characterized by majestic alpine scenery, featuring a mix of wide, green valleys, dense woods, and challenging ascents. You'll encounter numerous tarns (mountain lakes) and streams, with some routes leading towards glaciers and dramatic vistas. While many paths are paved, some segments, especially in areas like the Conca di By, may be unpaved, offering a diverse experience for cyclists.
While many routes in Ollomont are rated as difficult, there are options for various ability levels. The broader Aosta Valley offers over 1000 km of bike trails, including easier valley floor paths. Within Ollomont, you'll find more moderate loops, though specific beginner-focused touring routes are less common among the featured trails. For example, the Lago Lexert loop from Valpelline is a challenging but scenic option that takes you through alpine valleys.
Ollomont's cycling routes offer stunning natural features and historical landmarks. You can cycle towards the impressive Place Moulin Dam, one of Europe's largest reservoirs, or explore the picturesque Valley of By with its extensive green pastures and towering peaks. The region is also rich in tarns and streams. Historically, the area served as an important crossing point, with routes like the Porta Pretoria (Aosta) – Arch of Augustus loop from Valpelline combining natural beauty with ancient Roman landmarks in the broader Aosta Valley.
The best time for touring cycling in Ollomont is generally during the warmer months, from late spring through early autumn. This period offers the most favorable weather conditions for exploring the high alpine environment, with accessible trails and pleasant temperatures. The region is known for its sunny disposition, making summer an ideal time to enjoy the extensive pastures and mountain views.
Yes, Ollomont offers several excellent circular touring cycling routes. A popular option is the Place Moulin Dam – Place-Moulin Lake loop from Oyace, which provides views of the large reservoir. Another scenic loop is the Lago Lexert loop from Valpelline, taking you through beautiful alpine valleys. For a more extensive ride, consider the Beautiful lake! – Ollomont loop from Ollomont, which offers significant elevation gain and stunning lake views.
Ollomont is nestled in the Valpelline, a less-frequented area of the Aosta Valley. While the broader Aosta Valley has public transport options, direct access to specific trailheads in Ollomont via public transport might be limited. It's advisable to check local bus schedules or consider driving to a starting point, especially for routes that begin deeper in the valley.
When planning a cycling tour in Ollomont, you can typically find parking in or near the main villages like Ollomont itself or Valpelline, which serve as common starting points for many routes. For example, routes like the Porta Pretoria (Aosta) – Arch of Augustus loop from Valpelline or the Lago Lexert loop from Valpelline would likely have parking available in Valpelline. Always check local signage for designated parking areas.
The touring cycling experience in Ollomont is highly rated by the komoot community, with an average score of 4.7 stars from over 40 reviews. Cyclists frequently praise the majestic alpine scenery, the wild and less-frequented environment, and the diverse range of routes. The presence of numerous tarns, streams, and impressive peaks, along with the challenge of routes leading towards glaciers, are often highlighted as key attractions.
While many of the featured touring cycling routes in Ollomont are rated as difficult due to significant elevation changes, the broader Aosta Valley offers a variety of trails, including easier valley floor paths that might be more suitable for families. For a unique family experience beyond cycling, the Ollomont Adventure Park near the Saint-Jean Mines offers mining-themed acrobatic courses for all ages in a woodland setting.
Ollomont's wild and natural environment is generally welcoming to dogs, especially on trails and in open spaces. However, specific regulations regarding dogs can vary, particularly in protected areas or on private land. It's always best to keep your dog on a leash, especially when encountering wildlife or other trail users, and to carry water for them. Always check local guidelines for any specific restrictions on the routes you plan to take.
Beyond cycling, Ollomont offers several unique attractions. You can explore the historical Copper Path, which features tunnels, mining buildings, and ore smelting plants, connecting Ollomont and Valpelline. The Ollomont Adventure Park provides acrobatic courses for all ages. You can also visit traditional hamlets showcasing local rural architecture or explore significant mountain passes like the Col du Grand Saint-Bernard and the Great St Bernard Hospice.
There are over 25 touring cycling routes available around Ollomont, offering a wide range of experiences. These routes are highly rated by the komoot community, with an average score of 4.7 stars. The network includes options from moderate loops to challenging ascents, catering to various fitness levels.


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