4.8
(3)
22
riders
5
rides
Gravel biking around Izernore offers routes through the varied landscape of the Ain department, characterized by its lakes, valleys, and forested hills. The region features significant elevation changes, providing challenging climbs and descents across diverse terrain including rolling paths, forests, and scenic ridges. Limestone soils in areas like Haut-Bugey contribute to good grip, making it suitable for gravel cycling.
Last updated: July 3, 2026
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.
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.

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5.0
(1)
2
riders
30.8km
02:14
760m
760m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
40.7km
02:52
770m
770m
Hard gravel ride. Very 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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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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Lavoir de Aromas and its water point with an old communal fire-fighting engine. Church of Saint-André nearby. Aromas and its seven hamlets were part of the fief of the castle of Montdidier, the ruins of which can still be seen today. The village of Aromas is dominated by the hill of Cuquelu, on which stands a beautiful statue of the Virgin dating from the mid-19th century. In front of the church stands a calvary cross protected and classified by decree of November 24, 1906. The villages of Aromas, Villeneuve les Charnod, Faverges, Burigna and Ceffia have a covered washhouse. The commune of Ceffia was attached in 1974. The commune of Burigna was attached in 1823. The commune of l'Hôpital was attached in 1823 with its hamlets of Marsonnas and Marcia. Villeneuve les Charnod and Faverges were attached in 2017. https://www.terredemeraude.fr/aromas/
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Pretty little lake in the heart of the small Jura mountains
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Beautiful, simple, easy walk; lots of traffic noise on the "road" section, a bit of a shame, but the color of the water is magical
1
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Unfortunately I was unlucky with the weather, but even as I drove past the place looked very nice, lots of grass and a place to swim.
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There are 11 gravel bike trails around Izernore listed on komoot, offering a variety of routes through the region's diverse landscape of lakes, valleys, and forested hills.
The gravel biking routes around Izernore are generally considered challenging due to significant elevation changes. While there is one moderate route, the majority of the 11 trails are rated as difficult. Beginners should be prepared for climbs and descents.
For longer rides, consider the Cize Viaduct – Ain Valley loop from Matafelon-Granges, which spans 38.1 miles (61.3 km) and takes approximately 4 hours 37 minutes. Another option is the Lake Genin – Lake Nantua loop from Nurieux-Volognat, also around 38 miles (61.1 km) long.
Yes, many routes are circular. Popular options include the Lake Nantua – Lac de Nantua loop from Brion - Montréal-la-Cluse, the Lake Nantua – View of Lake Nantua loop from Le Chateau, and the Lake Genin – Lake Genin loop from Oyonnax.
The trails often follow paths alongside beautiful water bodies. You can explore highlights like Lake Nantua and Lake Genin. Some routes also offer views of the impressive Cize Viaduct or lead to natural wonders such as the Cascade de la Pisse Vache waterfall.
The region's varied landscape with lakes and forested hills is enjoyable across multiple seasons. Spring and autumn typically offer pleasant temperatures and vibrant scenery. Summer can be warm, while winter conditions might include snow or ice, especially at higher elevations, requiring appropriate gear and caution.
The duration varies depending on the route and your pace. For example, the Lake Nantua – View of Lake Nantua loop from Le Chateau typically takes around 3 hours 1 minute, while longer routes like the Cize Viaduct – Ain Valley loop from Matafelon-Granges can take over 4.5 hours.
Many routes provide scenic vistas, particularly those circling the lakes or traversing higher ground. The Lake Nantua – View of Lake Nantua loop from Le Chateau is specifically known for its lake views, and you can find a dedicated View over Lake Nantua highlight.
The gravel biking routes in Izernore are highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the diverse terrain, the beautiful lake views, and the challenging nature of the rides through the Ain department's unique landscape.
Given that most routes are rated as difficult with significant elevation changes, many trails might be challenging for younger children or less experienced family members. It's advisable to check the specific route profiles for elevation and distance to determine suitability for your family's skill level.
Winter conditions in Izernore can include colder temperatures, potential snow, and ice, especially in forested areas or at higher elevations. It's crucial to check local weather forecasts, be prepared with appropriate winter cycling gear, and consider routes that are less exposed or at lower altitudes.
Specific parking information is usually available on individual route pages. Many routes start from villages or towns like Brion - Montréal-la-Cluse, Matafelon-Granges, Le Chateau, or Oyonnax, where public parking facilities are often available near the trailheads.


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