4.1
(10)
35
riders
12
rides
Gravel biking around Colombe offers diverse terrain, characterized by rolling hills, agricultural lands, and wooded areas. The region features the prominent Futeau Hill, providing trails that lead to panoramic viewpoints. Cyclists can also explore the flatter Bièvre plain, which includes forests and meadows. This varied landscape provides accessible routes for different levels of cycling proficiency.
Last updated: October 5, 2026
5.0
(3)
4
riders
31.9km
02:05
120m
120m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
7
riders
34.4km
02:06
260m
260m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3
riders
48.6km
03:33
920m
920m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
53.6km
04:10
1,260m
1,260m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
30.2km
02:11
710m
710m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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La Véloroute de l'Isère, officially integrated into the national route La Belle Via (referenced under number V63), is a cycling route of over 200 kilometers that runs along the Isère river. It connects the foothills of Savoie to the Drôme (connection with ViaRhôna), by crossing the entire department of Isère and its capital, Grenoble.
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The estate has its roots in an ancient fortified house built in the second half of the 13th century. It notably served as a summer residence for the lords of Tullins. The building was extensively remodeled in the 16th century, then in the 18th century (when it took the name Château des Cordes), before its facade was modified in the 19th century. The castle has been protected as a historical monument since 1977 (partial inscription, and classification for its south tower).
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Medieval origins (11th - 12th centuries): The religious site is of very ancient origin. From the end of the 11th century, several religious buildings are mentioned in the commune. The Saint-Pierre church itself is cited under the name "ecclesia de Anos" in the famous cartulary of Saint Hugues (Bishop of Grenoble). In the Middle Ages, the church was directly dependent on the priory of Saint-Laurent of Grenoble, as attested by an official terrier dating from 1497 under the name "ecclesia Sancti Petri de Fortaressia".
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Considered by local cyclists to be the most demanding pass in the Chambarans, it mainly connects the Isère valley to the commune of La Forteresse.
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Considered by local cyclists to be the most demanding pass in the Chambarans, it mainly connects the Isère valley to the municipality of La Forteresse.
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The Fontaine du Paradis is a remarkable element of the local heritage located in the hamlet and locality of Paradis in Tullins (Isère), included in the town's historic circuit. It is distinguished by a sculpted ornament representing a dolphin (historical symbol of the Dauphiné). Located in the Paradis district or hamlet, a site steeped in ancient history (where Gallo-Roman remains and an incineration urn have notably been discovered).
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In the heart of the cold lands of Isère, 3 private ponds, in the middle of nature, await you: la Rajaz, le Vivier, and la Blanche.
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Traces of this castle can be found in the archives dating back to 1315, when it was under the jurisdiction of the lord of Saint Geoirs. A remarkably well-preserved tower still remains.
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There are 15 gravel bike routes available around Colombe. These trails offer a diverse range of experiences, from easier rides through agricultural lands to more challenging ascents in hilly terrain.
The terrain around Colombe is quite varied, featuring rolling hills, expansive agricultural lands, and wooded areas. You'll find trails leading up prominent features like Futeau Hill, offering panoramic views, as well as flatter sections across the Bièvre plain, which includes forests and meadows. This mix provides options for different cycling preferences.
Yes, there are routes well-suited for beginners. For instance, the Gravel loop from Sillans is a moderate 31.7 km trail that navigates through agricultural landscapes and wooded sections, offering a good introduction to gravel biking in the area.
Absolutely. For experienced riders seeking a challenge, the region offers routes with significant elevation gain. The Thousand Martyrs Pass – Col des Mille Martyrs loop from Chirens is a difficult 52.2 km route with nearly 800 meters of elevation gain, providing a demanding ride through hilly terrain.
Many trails offer stunning natural features and panoramic viewpoints. Routes around Futeau Hill can lead you to the Croix du Futeau, providing expansive views of the Bièvre plain, and on clear days, the massifs of Belledonne, Chartreuse, Vercors, Lac de Charavines, and even Mont Blanc. The region also features diverse deciduous tree species and wetland areas like the étang and tourbière du Grand-Lemps, a classified Natura 2000 site.
Yes, the region has historical significance. The historic Camino de Compostela (GR65) pilgrimage route traverses Colombe, offering a unique blend of cycling and cultural exploration. You can also observe ancient 'pisé' (rammed earth) farms in hamlets like Cuétan, showcasing the local architectural heritage of the Terres Froides region.
The gravel biking routes around Colombe are highly rated by the komoot community, with an average score of 4.2 stars from more than 9 reviews. Riders often praise the varied terrain, which includes rolling hills, agricultural lands, and wooded sections, providing diverse and engaging experiences for all skill levels.
Many of the gravel bike routes around Colombe are designed as loops, allowing you to start and end at the same point. An example is the Passage under the lip axis! loop from Saint-Hilaire-de-la-Côte, a moderate 36.1 km path that offers views of the Bièvre plain and varied terrain.
Colombe offers good gravel biking opportunities throughout much of the year. Spring and autumn generally provide pleasant temperatures and beautiful scenery with changing foliage. Summer is also suitable, though it can be warmer. Winter rides are possible, but it's advisable to check local conditions for ice or snow, especially on higher elevations like Futeau Hill.
Yes, the region offers options suitable for families. The mix of flatter terrain in the Bièvre plain and easier routes with moderate ascents provides accessible paths. While specific 'family-friendly' designations aren't always explicit, routes with lower difficulty ratings and less elevation gain, such as the 'Boucle de la Ferme du Futeau' mentioned in regional research, can be good choices for families.
Beyond the trails, you can explore several attractions. Consider visiting Lake Paladru, known for its scenic beauty, or the Château de Montgontier. For a unique viewpoint, the Croix des Cochettes View of Lac de Paladru offers spectacular vistas.
Yes, for those looking for longer rides, there are several options. The Col des Mille Martyrs – Pierre Chave Bridge loop from L'Arsenal is a substantial 44.2 km trail, and the Thousand Martyrs Pass – Col des Mille Martyrs loop from Chirens extends to 52.2 km, offering extensive exploration of the region's diverse landscapes.


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