4.7
(5)
35
riders
2
rides
Gravel biking around Outriaz, located in France's Ain department, offers diverse terrain characterized by plateaus, glacial lakes, and mountain passes. The region features varied landscapes, from the scenic shores of Lake Nantua to the challenging ascents of passes like Rochette and Belleroche. Riders can expect a mix of forest trails, open plateaus such as Plateau d'Hauteville, and routes with significant elevation changes. This geographical diversity provides a range of gravel biking experiences suitable for different skill levels.
Last updated: July 4, 2026
4.5
(2)
4
riders
23.4km
01:53
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
13
riders
39.8km
02:48
760m
760m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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5.0
(1)
4
riders
39.5km
02:51
820m
820m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
34.0km
02:31
660m
660m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
2
riders
13.0km
00:56
190m
190m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The ruin is very beautiful, panels indicate the history of the site, very instructive! Calm and relaxing, the site offers a magnificent setting and allows for nice picnic breaks!
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Magnificent brown ponds, calm and relaxing, a must-see stop!
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The Lac de Nantua is a superb body of water of 141 hectares. In the heart of the Jura, it offers an ideal setting for practicing a multitude of sports. It is even possible to swim in its waters.
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The Peney viewpoint overlooks Lake Sylans, on which it offers a beautiful view. Classified since 1909, one can distinguish on its banks the ruins of the old ice factories which commercialized the ice extracted from the lake until 1917. The passage is located at the level of the tunnel of the same name.
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The Marron ponds are named after a family from Brénod, it is not a reference to the color of the water. Only one of them remains filled with water all year round. This one served as a water reserve and fishing spot for the monks of the Meyriat abbey. In spring, a multitude of water lilies cover the surface.
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The Cormaranche Bike Park is made up of seven downhill trails, five enduro trails, and a Ludi Park for the youngest. Enough to have fun whatever your level. Picnic tables, a barbecue area, and a bivouac area are also available on site.
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In addition to being the starting point for several walking and cycling routes, the La Praille estate offers everything you need to regain your strength after an outing. Besides accommodation and catering at the inn, there is a wellness area (spa and Nordic bath) to recharge your batteries in a magnificent mountain setting.
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These two lovely ponds were built by humans in 1234. They were attached to the old abbey of Saint-Sulpice, the ruins of which can be found a little further north. They offer a pleasant setting for riding in peace and quiet.
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There are several gravel bike trails around Outriaz, with at least 5 routes detailed in this guide. These routes offer a variety of experiences, from moderate loops to more challenging, longer rides.
The gravel biking routes around Outriaz cater to various skill levels. While there are no easy routes listed in this guide, you'll find 1 moderate route and 4 difficult routes, ensuring options for both intermediate riders and those seeking a significant challenge.
While this guide features routes primarily for moderate to difficult skill levels, the region around Outriaz does offer varied terrain. For a moderate option, consider the Brenod plateau route, which covers 14.6 miles (23.4 km) with manageable elevation changes.
For challenging rides with notable ascents, Outriaz offers several options. The Brénod – Col de la Cheminée loop from Hauteville-Lompnes is a difficult 31.3 miles (50.4 km) path with significant climbs. Another demanding route is the Berche Pass (864 m) – War Memorial in Aranc loop from Les Serras, which also features substantial elevation gain.
Yes, many of the gravel biking routes in the Outriaz area are designed as loops. For example, the popular Lake Nantua – View of Lake Nantua loop from Nantua offers scenic views around the glacial lake. Other circular options include the Brenod plateau and the Fresne Washhouse – Haut Bugey country of calm loop from Hauteville-Lompnes.
The region is rich in natural beauty. You can bike along the stunning Lake Nantua, known for its sapphire and emerald hues. The area also features dramatic gorges and scenic waterfalls like the Cascade de la Queue de Cheval. For a unique natural and historical experience, the Cerdon Caves are also nearby.
Yes, you can combine your gravel biking with visits to historical sites. The beautifully restored medieval St Alban Church offers views over Cerdon. Additionally, the Memorial to the Maquis of Ain and Haut-Jura is a significant historical landmark in the vicinity.
Absolutely. The Lake Nantua – View of Lake Nantua loop from Nantua provides rewarding vistas of the glacial lake. For expansive views from higher ground, routes that traverse mountain passes like Rochette Pass and Belleroche Pass offer breathtaking panoramas of the surrounding landscape.
The region offers options that can be enjoyed by families. While some routes are challenging, the scenic shores of Lake Nantua provide a lovely setting for walks and picnics, and the Cerdon Caves offer an engaging experience for all ages, making it possible to combine biking with family activities.
The gravel biking routes in Outriaz are highly rated by the komoot community, with an average score of 4.5 stars from several reviews. Riders often praise the varied terrain, from scenic lake views to challenging mountain passes, and the diverse landscapes of the Ain department.
Given the presence of glacial lakes and mountain passes, spring, summer, and early autumn generally offer the most favorable conditions for gravel biking in Outriaz. During these seasons, you can expect pleasant temperatures and clear access to the higher elevations and scenic lake routes.


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