4.5
(15)
109
riders
18
rides
Gravel biking around Grenay offers a diverse landscape characterized by a mix of parklands, canal paths, and rolling terrain. The region features routes that traverse alongside significant water bodies like Le Grand Large and the Jonage Canal, providing varied scenery. Elevation changes on some routes indicate a landscape that moves beyond flat plains, offering both moderate climbs and longer, more challenging distances. The area includes park systems and historical towns, contributing to a rich gravel biking experience.
Last updated: October 19, 2026
36
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
141km
08:29
1,030m
1,030m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
8
riders
54.9km
03:08
430m
430m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
12
riders
80.7km
04:13
340m
340m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
46.9km
03:00
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Lac du Grand Large (or Grand-Large reservoir) is an artificial lake of about 150 hectares located in the east of Lyon, straddling the communes of Décines-Charpieu and Meyzieu. Created at the end of the 19th century during the development of the Jonage canal, it historically serves as a reservoir for the Cusset hydroelectric power plant in Villeurbanne. Today, it is one of the most popular outdoor recreation areas in the Lyon metropolitan area.
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The Lac du Grand Large (or Grand-Large reservoir) is an artificial lake of about 150 hectares located in the east of Lyon, straddling the communes of Décines-Charpieu and Meyzieu. Created at the end of the 19th century during the development of the Jonage canal, it historically serves as a reservoir for the Cusset hydroelectric power plant in Villeurbanne. Today, it is one of the most popular outdoor leisure spaces in the Lyon metropolitan area.
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The Grand Large lake (or Grand-Large reservoir) is an artificial lake of about 150 hectares located in eastern Lyon, straddling the towns of Décines-Charpieu and Meyzieu. Created at the end of the 19th century during the development of the Jonage canal, it has historically served as a reservoir for the Cusset hydroelectric power plant in Villeurbanne. Today, it is one of the most popular outdoor recreation areas in the Lyon metropolitan area.
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The Canal de Dessèchement de Catelan is an artificial waterway 22 to 23 kilometers long, dug in the early 19th century to drain and reclaim a vast marshy plain. Today, it constitutes a key outlet of the Bas-Dauphiné hydrographic network.
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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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This rural village, bordered by the Rhône and the spectacular cliffs of Isle Crémieu, has just over 1,200 inhabitants (the Hiérois) and is part of the Balcons du Dauphiné community of municipalities.
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Located in a peri-urban area between the municipalities of Villefontaine and Vaulx-Milieu, this 14-hectare pond is part of a protected area of over 51 hectares.
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The gravel biking routes around Grenay offer a mix of challenges. You'll find 12 routes rated as moderate and 13 routes considered difficult, catering to a range of experience levels. There are no easy routes listed, so some prior biking experience is recommended.
Routes vary significantly in length. For instance, the Crémieu, medieval town – Château Delphinal of Crémieu loop from Mianges is a moderate 54.0 miles (87.0 km) ride. More challenging routes, like the View of Vertrieu castle – Feyssine Park loop from Lyon-Saint-Exupéry TGV, extend to nearly 99.3 miles (159.7 km).
Yes, many of the gravel routes around Grenay are designed as loops. Examples include the Panorama of Le Grand Large – Miribel-Jonage Park loop from Lyon-Saint-Exupéry TGV and the The open sea – Feyssine Park loop from Saint-Quentin-Fallavier, allowing you to start and finish at the same point.
The region offers several points of interest. You might pass by historical sites such as Château de Fallavier or enjoy the natural beauty of Lake Saint-Quentin-Fallavier and the Marsa Pond Sensitive Natural Area. Some routes also offer views of the Our Lady of La Salette Chapel.
Given the mix of parklands, canal paths, and rolling terrain, gravel biking in Grenay is enjoyable across multiple seasons. Spring and autumn offer pleasant temperatures and vibrant scenery. Summer is also suitable, especially for routes along water bodies like Le Grand Large and the Jonage Canal, which can provide a refreshing element. Winter riding is possible, but conditions may vary, so checking local weather and trail status is always advised.
Yes, several routes provide excellent vistas. The Panorama of Le Grand Large – Miribel-Jonage Park loop from Lyon-Saint-Exupéry TGV is specifically named for its panoramic views. Other routes traversing parklands and alongside expansive water features also offer picturesque scenery.
The komoot community rates the gravel biking experience in Grenay highly, with an average score of 4.5 stars from over 15 reviews. Riders often praise the diverse landscape, which includes parklands, canal paths, and varied terrain, as well as the notable elevation changes that add interest to the rides.
For advanced gravel bikers, routes like the Jonage Canal and Grand Large – Le Grand Large loop from Lyon-Saint-Exupéry TGV stand out. This route covers nearly 87.0 miles (140 km) with over 3,384 feet (1031 m) of elevation gain, offering a significant test of endurance and skill.
The terrain around Grenay is quite varied. You'll encounter parkland trails, smooth canal-side paths, and rolling terrain with notable elevation changes. This mix provides a dynamic riding experience, moving beyond flat plains to include moderate climbs and descents.
There are over 25 gravel bike trails available for exploration around Grenay, offering a wide range of options for different skill levels and preferences.
Yes, some routes venture near or through areas with historical significance. For example, the Crémieu, medieval town – Château Delphinal of Crémieu loop from Mianges specifically highlights a medieval town and a historic château, offering a cultural dimension to your ride.


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