4.7
(157)
2,831
riders
190
rides
Road cycling routes around Chassignieu are situated within the Isère department, offering varied terrain for cyclists. The region features the French Alps with challenging ascents and descents, alongside gentler routes through river valleys like the Isère Valley. Cyclists can navigate through diverse landscapes, including mountain ranges, plains, and areas around natural lakes such as Lac de Paladru.
Last updated: September 30, 2026
4.8
(5)
125
riders
108km
05:41
1,650m
1,650m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.3
(4)
38
riders
52.3km
02:32
660m
660m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

5.0
(1)
29
riders
83.1km
04:00
1,110m
1,110m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
44
riders
62.7km
03:10
1,000m
1,000m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.7
(3)
72
riders
65.5km
03:11
790m
790m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Built in 1867 to replace the old chapels of the historic hamlets of Roche and Toirin, the Saint-Étienne church of Rochetoirin was built on the edge of the plateau. Its location serves as a true viewpoint, offering an unobstructed panoramic view of the entire surrounding plain and the landscapes of the Vals du Dauphiné. https://www.rochetoirin.fr/rubriques.item.41/histoire.html
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Pretty little church, which has some nice stained glass windows
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A 14 km greenway allows for walks on the eastern bank. The complete circuit of the lake on foot or by mountain bike is a route of about 29 km through the surrounding hills.
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Lake Paladru is very popular in the summer, especially on weekends. Swimming is possible; there's a small, well-equipped beach.
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This is a classic bike ride around Grenoble, easy and suitable for the whole family.
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Located at the northern end of Lake Paladru, this wetland is fed by the Courbon stream. It is a true extension of the lake, rich in biodiversity and very pleasant.
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Not very busy but watch out for oncoming traffic
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These buildings are the origins of a former tile factory founded in 1850 by Charles Joseph Bertrand, which produced tiles of various designs for the entire region. Dauphiné roofs in the region are still covered with tiles made here. The location in Doissin was likely justified by the proximity of the clay that makes up the region's soil, the basic material for tiles. https://tuileriebertrand.jimdofree.com/ https://tourisme-valsdudauphine.fr/jy-suis/visites-et-patrimoine/musees/869960_ancienne-tuilerie-bertrand/
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There are over 180 road cycling routes around Chassignieu, offering a wide range of options for different skill levels. This includes 11 easy routes, 121 moderate routes, and 50 difficult routes, ensuring there's something for every cyclist.
The Chassignieu region, nestled in the Isère department, offers incredibly diverse landscapes. You'll find challenging ascents and descents through parts of the French Alps, gentler rides through river valleys like the Isère Valley, and scenic routes around natural lakes such as Lake Paladru. The area combines dramatic mountain views with tranquil plains and charming rural settings.
Yes, many routes in the Chassignieu area are circular, allowing you to start and finish at the same point. A popular example is the moderate Lake Paladru – Lac de Paladru loop from Saint-André-le-Gaz, which covers nearly 49 km and offers beautiful lake views.
For experienced cyclists seeking a challenge, the region offers significant climbs. The difficult Étang du Vivier – Côte du Rousset loop from Saint-André-le-Gaz, for instance, features over 1,700 meters of elevation gain across its 109 km. The broader Isère department is known for iconic climbs like Alpe d'Huez, located about 65 km away, and Col du Solude.
While many routes involve climbs, there are easier options suitable for families or those looking for a more relaxed ride. The Isère Valley, for example, is home to "La Belle Via," a major cycle route accessible to all types of cyclists, offering gentler terrain through plains and river valleys. You can find more information about La Belle Via on Grenoble Tourisme or France Vélo Tourisme.
Many routes pass by interesting landmarks and natural features. You can cycle past Lake Paladru, visit religious buildings like Our Lady of the Vines or Saint John the Evangelist Church of Valencogne, or explore the Chemin des marais. The region also features charming villages and towns like Saint-Antoine-l'Abbaye and Chambéry within reach.
The road cycling routes around Chassignieu are highly regarded by the komoot community, with an average rating of 4.5 out of 5 stars from over 120 reviews. Cyclists often praise the varied terrain, from challenging climbs to scenic lake loops, and the well-maintained surfaces suitable for road biking.
Absolutely. The area is known for its beautiful lakes, especially Lake Paladru. Routes like the Col des Mille Martyrs – Lake Paladru loop from Villages du Lac de Paladru offer stunning views of the lake and its surroundings, making for a very picturesque ride.
The Isère department generally offers good cycling conditions from spring through autumn. Summer provides warm weather, ideal for exploring, but spring and early autumn can offer milder temperatures and beautiful scenery, especially in the mountain areas. Always check local weather forecasts before heading out.
Yes, for those looking for longer rides, the region provides ample opportunities. The difficult Étang du Vivier – Côte du Rousset loop from Saint-André-le-Gaz is over 109 km, and many routes can be combined or extended. The broader Isère region also connects to long-distance cycle routes like "La Belle Via" along the Isère Valley.
While specific cafe stops are not detailed for every route, the Chassignieu region and surrounding towns offer various amenities. Many routes pass through or near villages and towns where you can find cafes, bakeries, and other services to refuel during your ride. Planning your route with komoot allows you to identify potential stops.


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