4.6
(506)
11,025
riders
225
rides
Touring cycling around Crolles offers diverse routes within the Grésivaudan Valley, situated between the Chartreuse and Belledonne massifs. The region features a mix of flat valley sections along the Isère river and challenging ascents into the surrounding mountains. This area provides varied terrain, from accessible paths suitable for leisurely rides to demanding mountain passes. The landscape is characterized by prominent massifs, river valleys, and a network of roads and trails.
Last updated: June 21, 2026
4.5
(4)
101
riders
54.9km
03:54
1,030m
1,020m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(13)
408
riders
67.7km
05:25
1,940m
1,940m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Sign up for free
4.3
(4)
147
riders
29.9km
02:41
1,180m
1,180m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
136
riders
86.4km
06:06
1,610m
1,610m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
133
riders
46.0km
03:33
1,200m
1,200m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
good road with little traffic and always beautiful views of the Alps
0
0
several newly asphalted sections, a delight
0
0
A significant improvement in the road surface quality, which is now excellent between Crolles and the terrace... no need for special tires.
0
0
strange monument erected in honor of Mr. Ernest Doudart, who distinguished himself in Indochina
0
0
Favor the climb via Sarcenas, almost no cars
3
0
small pass between Corenc and Sapey. The road is very good
0
0
Exceptional site at the foot of the Dent de Crolle with access via a wild forest road
2
0
The Crolles area, situated in the Grésivaudan Valley between the Chartreuse and Belledonne massifs, offers a diverse range of terrain. You'll find relatively flat sections ideal for leisurely rides along the Isère river, as well as challenging ascents into the surrounding mountains, featuring numerous mountain passes (cols) for experienced cyclists.
Yes, Crolles offers several easy routes perfect for families and beginners. For example, the Alte Kapelle – Saint-Aupre Church loop from Crolles is an easy 16.3-mile (26.2 km) path that provides a relaxed ride through the local countryside. Another option is the Flat gravel path – Gravel Isere loop from Hameau du Pra, which is an easy 18.6-mile (29.9 km) trail along the Isère valley.
For experienced touring cyclists seeking demanding routes, the areas around Crolles are ideal. The Chartreuse and Belledonne massifs feature numerous mountain passes. A challenging option is Le Plateau des Petites Roches — loop in the Chartreuse Regional Natural Park, a difficult 34.1-mile (54.9 km) route with significant elevation changes. The winding roads of the Belledonne massif are particularly well-suited for cycle tourism.
The region boasts stunning natural features. You can cycle with views of the majestic Chartreuse and Belledonne massifs. A short distance away, the Saint-Même Cirque Waterfalls offer a grandiose natural setting. The Dent de Crolles, the second-highest peak of Chartreuse, is a prominent landmark, and passes like Bellefont Pass offer magnificent views, sometimes even of Mont Blanc.
Yes, the region is home to "La Belle Via," an accessible cycling route that traverses the Isère Valley for 123 km, linking Chanaz to Pont de l'Isère via Grenoble. This route offers stunning views of Mont Blanc and the surrounding alpine massifs like Chartreuse, Belledonne, and Vercors. You can find more information about La Belle Via on the Grenoble Tourism website.
Crolles benefits from a sunny environment, making spring through autumn generally excellent for touring cycling. The Grésivaudan Valley and its surrounding massifs are particularly pleasant during these seasons, offering comfortable temperatures and vibrant landscapes. Always check local weather conditions before heading out, especially for mountain routes.
The touring cycling routes around Crolles are highly rated by the komoot community, with an average score of 4.5 stars from over 270 reviews. Cyclists often praise the varied terrain, from peaceful valley rides to challenging mountain ascents, and the breathtaking views of the Chartreuse and Belledonne massifs.
Yes, many of the touring cycling routes around Crolles are designed as loops, allowing you to start and finish in the same location. Examples include the challenging Le Plateau des Petites Roches loop and the more relaxed Alte Kapelle – Saint-Aupre Church loop.
Beyond the natural beauty, Crolles and its surroundings offer local heritage. Within Crolles, you can find structures like the Château de Montfort and the Château de Crolles. The region's proximity to Grenoble, known as the 'capital of the Alps,' also allows for easy access to cultural, historical, and culinary experiences.
Crolles is conveniently located about 20 km northeast of Grenoble and 40 km from Chambéry. These larger cities offer public transport links, including train and bus services, which can facilitate access to the region and various starting points for cycling routes. It's advisable to check local transport schedules for specific connections to Crolles or nearby villages.
Many villages and towns in the Grésivaudan Valley, including Crolles, offer public parking facilities. For specific routes, it's often possible to find parking near the designated starting points or in nearby village centers. Always look for marked parking areas to ensure compliance with local regulations.
While many outdoor areas in France are dog-friendly, specific rules can vary, especially within protected natural parks like the Chartreuse Regional Natural Park. Generally, dogs should be kept on a leash. It's always best to check local signage or park regulations for the specific route you plan to undertake to ensure a pleasant experience for both you and your pet.
Absolutely. The Chartreuse massif is a prominent feature of the region, and routes like Le Plateau des Petites Roches — loop in the Chartreuse Regional Natural Park specifically take you through this stunning natural area, offering challenging climbs and breathtaking scenery. For more information about the park, you can visit the Chartreuse Tourisme website.


Browse the best Cycling routes in other regions.