4.7
(68)
5,901
riders
29
rides
Touring cycling routes around Lac de Grand'Maison traverse a high-altitude alpine environment, characterized by mountain passes, a large reservoir, and surrounding peaks. The region features significant elevation changes, with routes often including climbs to cols like Glandon Pass and Col de la Croix de Fer. The landscape transitions from forested valleys to open, rocky alpine terrain, offering varied riding conditions.
Last updated: July 1, 2026
57
riders
29.6km
02:22
870m
870m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
19
riders
12.4km
01:01
390m
390m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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9
riders
7.03km
00:35
230m
230m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
15.2km
01:56
670m
670m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
293
riders
59.0km
04:52
1,890m
1,890m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Small resting place, great view.
2
0
Nice little place with restaurant, church and the Lacets de Montvernier. Further ascent possible.
2
0
Fantastic ascent, great views,
2
0
The descent from the Col du Glandon towards the north offers a striking view towards the valley, the Col de la Madeleine and the Mont Blanc massif.
0
0
The most recent (and last) water retention dam in France.
0
0
I do them on a mountain bike going down. Not very pleasant. I'll try it on a road bike going up.
0
0
There are over 25 touring cycling routes around Lac de Grand'Maison, catering to various skill levels. You'll find options ranging from moderate loops to challenging alpine ascents.
Given its high-altitude alpine environment, the best time for touring cycling around Lac de Grand'Maison is typically from late spring to early autumn (June to September). During these months, mountain passes are generally clear of snow, and weather conditions are more favorable for cycling.
While many routes feature significant elevation changes, there is at least one easy touring cycling route available. For those looking for a moderate challenge, routes like the Glandon Pass – Col du Glandon loop from Le Rieu Claret offer a good introduction to the area's terrain without being overly strenuous.
Advanced touring cycling routes around Lac de Grand'Maison are characterized by high mountain passes and significant elevation gains. For example, the Grand Maison Shelter – Iron Cross loop from barrage de Grand'Maison is considered difficult, featuring alpine terrain and substantial climbs.
Yes, many routes in the area are designed as loops. A popular option is the Grand Maison Shelter – View of Lac de Grand-Maison loop from barrage de Grand'Maison, which offers scenic views of the lake and surrounding mountains.
Route distances vary, with many falling between 7 to 18 kilometers. Durations can range from just over an hour for shorter, moderate loops to several hours for more challenging, longer routes. For instance, the Col de la Croix de Fer (Iron Cross Pass) – Refuge of the Étendard loop from Lac Saint-Nicolas is about 15 kilometers and can take over 1 hour 50 minutes to complete due to its difficult terrain.
The area is highly rated by the komoot community, with an average score of 4.7 stars from over 75 reviews. Reviewers often praise the stunning high mountain passes, the expansive reservoir views, and the challenging alpine climbs that define the region's cycling experience.
The region is known for its dramatic alpine scenery. Routes often pass by significant landmarks such as the Glandon Pass and the Col de la Croix de Fer (Iron Cross Pass), offering panoramic views of the surrounding peaks and valleys. The Lac de Grand'Maison itself provides numerous scenic vistas.
Given that many routes start from locations like barrage de Grand'Maison or Saint-Jean-d'Arves, parking facilities are generally available at or near these common starting points. It's advisable to check specific route details for precise parking information.
While the region is known for its challenging alpine terrain, some moderate loops might be suitable for families with older children or those accustomed to cycling with some elevation gain. Always check the difficulty grade and elevation profile of a route, such as the Glandon Pass loop from Saint-Jean-d'Arves, to ensure it matches your family's capabilities.


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