4.2
(12)
136
riders
30
rides
Gravel biking around Vertrieu offers diverse terrain along the Rhône River, characterized by a mix of paved and unpaved surfaces. The region features riverbanks, wooded paths, and tracks through villages, providing varied riding experiences. Impressive cliffs of Bugey form a dramatic backdrop, visible from many routes. This area is well-suited for gravel bikes due to its varied landscape and connection to the ViaRhôna.
Last updated: October 6, 2026
4.5
(2)
40
riders
90.6km
05:00
520m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.4
(5)
34
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
(1)
5
riders
105km
07:32
1,800m
1,800m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
56.7km
04:03
1,060m
1,060m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
riders
38.0km
02:08
120m
120m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Voie verte des Balcons du Dauphiné is a 18-kilometer-long secure cycle and pedestrian path, built on the route of the former Est Lyonnais railway line. It connects the medieval town of Crémieu to the municipality of Arandon-Passins, where it connects directly to the ViaRhôna.
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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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Leisure base opposite Bas Bugey. A pleasant stop, but strangely located between 2 nuclear power plants...
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Beautiful cycle path, mostly shaded, unpaved but rideable (I ride it with 23mm tires), which follows the old line of the Chemin de Fer de l'Est Lyonnais (CFEL)
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The Abbey of Ambronay was founded in 800 by Barnard de Romans, a soldier, an officer of Charlemagne, and a future saint canonized in 944. The abbey church, built on the ruins of the Carolingian church, features gargoyles, sculptures, and paintings that will amuse children with their fascinating details. The cloister is a space of serenity that invites meditation: your imagination may perhaps chase some ghostly figures of monks. The visit will end in the gardens where you will discover medicinal plants on the botanical trail. https://www.ain-tourisme.com/visiter-patrimoine/monuments-religieux-a-visiter-dans-l-ain/abbaye-benedictine-dambronay/
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cycle path very busy in good weather
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There are over 35 gravel bike trails around Vertrieu, offering a diverse range of experiences for cyclists. These routes are highly rated by the komoot community, with an average score of 4.6 stars.
Gravel biking around Vertrieu offers varied terrain, including riverbanks, wooded paths, and tracks through picturesque villages. You'll find a mix of paved and unpaved surfaces, making it ideal for gravel bikes. Routes range from easy to difficult, with options like the moderate View of the Saut du Rhône – Whitewater course loop from Saint-Sorlin-en-Bugey, which explores the Rhône riverbanks, to more challenging rides with significant elevation gain.
Yes, the region offers easier sections, particularly along the ViaRhôna, which are suitable for families. These routes often feature regularly maintained grassy banks along the Rhône River, providing a pleasant and less strenuous cycling experience. Look for routes described as 'easy' or 'moderate' for suitable options.
Many gravel routes offer stunning views of the two castles of Vertrieu and the impressive Cliffs of Bugey across the Rhône. You can also explore historical curiosities like the 18th-century cooler in the Serverin Forest. For specific castle views, consider routes like the View of the Saut du Rhône – View of Vertrieu castle loop from Bouvesse.
Yes, many of the gravel bike trails around Vertrieu are designed as loops. For example, the View of the Saut du Rhône – View of Vertrieu castle loop from Porcieu - Pont de Sault-Brénaz is a popular circular route that offers views of Vertrieu castle and the Saut du Rhône.
Vertrieu is enjoyable for gravel biking across multiple seasons. Spring and autumn offer pleasant temperatures and beautiful scenery, with changing foliage or blooming landscapes. Summer can be warm, but routes along the Rhône riverbanks often provide refreshing breezes. Always check local weather conditions before heading out.
Many routes start from villages or towns in the vicinity, which typically offer public parking facilities. For instance, routes originating from Porcieu - Pont de Sault-Brénaz, Saint-Sorlin-en-Bugey, or Bouvesse will have parking options available for cyclists.
Vertrieu's strategic location along the Rhône River and its integration into the ViaRhôna make it accessible. While direct public transport to every trailhead might vary, larger towns in the region often have bus or train connections. It's advisable to check regional transport schedules for the most convenient access points to the ViaRhôna or specific starting villages.
Beyond the trails, Vertrieu itself offers historical charm with its two castles and the reconstructed medieval Jardin des Simples. Nearby, you can visit the La Balme Caves or enjoy the serene Lac Bleu on the Gardon. The region also features the medieval site of Quirieu, offering panoramic views of the Rhône and Bugey.
The komoot community highly rates the gravel biking experience in Vertrieu, with an average score of 4.6 stars. Riders often praise the diverse landscape, the stunning views of the Rhône River and Bugey cliffs, and the variety of routes that cater to different skill levels, from leisurely rides along the river to more challenging climbs.
Yes, Vertrieu offers several difficult routes for experienced gravel bikers. For example, the Allymes Castle – Col du Nivollet loop from Ambérieu-en-Bugey is a challenging 90km trail with significant elevation gain, providing a demanding ride through the Monts du Bugey.


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