4.6
(184)
2,326
riders
15
rides
No traffic touring cycling routes around Prémillieu traverse the varied landscapes of the Ain department in the Bugey region of France. The area features a diverse terrain, including rolling hills, high plateaus, and challenging mountain passes like the Grand Colombier massif. Cyclists can explore dense forests, tranquil lakes, and impressive waterfalls, with routes often following river valleys or ascending to panoramic viewpoints. This region offers a mix of natural beauty and physical challenges for touring cyclists.
Last updated: October 7, 2026
4.6
(20)
715
riders
63.5km
05:39
2,450m
2,450m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
16
riders
64.5km
04:24
970m
970m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

6
riders
58.9km
04:06
1,120m
1,120m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
14.2km
01:10
340m
340m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
22.5km
01:49
640m
640m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The commune of Vertrieu, located in the department of Isère within the Balcons du Dauphiné, has the unique particularity of housing two major historical buildings: the Château Vieux (or Maison-Forte) and the Château Neuf (or Château Moderne).
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The Sault-Brénaz dam (also called Villebois dam or Sault-Brénaz facility) is an important hydroelectric infrastructure located on the Rhône River. It is situated on the border between the departments of Ain and Isère, mainly near the communes of Sault-Brénaz and Villebois. Commissioned in 1986, this structure was the last major facility built by the Compagnie Nationale du Rhône (CNR) on the upper Rhône.
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The Sault-Brénaz dam (also called Villebois dam or Sault-Brénaz facility) is an important hydroelectric infrastructure located on the Rhône River. It lies on the border between the departments of Ain and Isère, mainly near the communes of Sault-Brénaz and Villebois. Commissioned in 1986, this structure was the last major development built by the Compagnie Nationale du Rhône (CNR) on the upper Rhône.
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Little-known pass but very beautiful little road!
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cycle path very busy in good weather
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Nice climb, unfortunately the road from Ruffieu has (recently?) been completely covered in gravel that accumulates on the bends. Uphill it's okay, but risky on the descent. It's strange because the road doesn't seem particularly damaged under the gravel...
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Col de la Clye, perched on a discreet road between the Combe du Val and the Retord plateau, unveils a peaceful pastoral setting. Its isolated atmosphere makes it a pretty passage on the Grandes Traversées du Jura route.
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The source of the Groin is one of the geological curiosities of Valromey, labeled "Sensitive Natural Area" by the Department of Ain. The waters that come out of the basin come from underground streams formed by the infiltration of rainwater from Haut-Valromey and the Plateau de Retord. Depending on the period (dry or rainy), the basin is more or less full of water, or even empty. The differences in level are impressive.
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There are 14 dedicated no traffic touring cycling routes around Prémillieu. These routes range from moderate to difficult, offering diverse challenges for cyclists.
The Bugey region around Prémillieu features varied terrain, from rolling hills and plateaus to challenging mountain passes. You can expect a mix of ascents and descents, with some routes, like the Groin Spring – Col du Grand Colombier loop from Vieu, offering significant elevation gains.
While many routes in this guide are moderate to difficult, the Bugey region does offer gentler options. For family-friendly cycling, look for sections of 'Voie Verte' (greenways) or 'Voie douce' (gentle paths) in the wider Ain department, which are specifically designed for relaxed, car-free enjoyment. These often follow old railway lines or riverbanks, providing flat and safe environments.
The best seasons for touring cycling around Prémillieu are generally spring (April to June) and autumn (September to October). During these times, the weather is typically mild, and the landscapes are particularly beautiful. Summer can also be pleasant, especially in the higher elevations, but be prepared for warmer temperatures in the valleys.
Yes, many of the no traffic touring cycling routes around Prémillieu are designed as loops. For example, you can explore the challenging Lochieu Wash Fountain – Grand Colombier Summit loop from Vieu or the more moderate Planachat Viewpoint – Fresne Washhouse loop from Cormaranche-en-Bugey, both offering a return to your starting point.
The Bugey region is rich in natural beauty. You can encounter stunning waterfalls such as the Cerveyrieu Waterfall or the majestic Charabotte Waterfall. The routes also offer views of picturesque lakes like Lac d'Ambléon and Lac de Sylans, and you'll often cycle through enchanting forests and woodlands.
Absolutely. The iconic Grand Colombier massif is a significant draw for experienced cyclists, with ascents from several directions. You can find routes that incorporate passes like the Petit Pertuis Pass or the Col de Ballon, offering rewarding climbs and panoramic views.
The area is highly rated by the komoot community, with an average score of 4.5 stars from 155 ratings. Reviewers often praise the quiet, scenic roads, the challenging climbs of the Bugey mountains, and the diverse landscapes that include forests, lakes, and vineyards.
Yes, some routes provide excellent viewpoints of the Rhône River. For instance, the View of the Saut du Rhône – View of Vertrieu castle loop from Lompnas offers scenic vistas of the river and its surroundings, including historical landmarks.
While the routes themselves are designed to be traffic-free, they often pass through or near small villages and towns in the Bugey region. These locations typically offer local amenities such as cafes, bakeries, and small restaurants where you can refuel and enjoy regional specialties. It's always a good idea to check opening hours, especially in smaller hamlets.
Many touring cycling routes around Prémillieu start from villages or towns that offer public parking facilities. For example, routes originating from Vieu or Cormaranche-en-Bugey typically have designated parking areas. It's advisable to check the specific route details on komoot for recommended starting points and parking information.
Absolutely. The Bugey region is a hub for outdoor activities. Beyond cycling, you can find opportunities for hiking, with trails leading to scenic belvederes. The Plateau d'Hauteville also features the Parcours Adventure du Bugey for treetop courses, and various lakes offer water-based recreation.


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