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France
Auvergne Rhône Alpes
Grenoble

Réservoir De Grand-Maison

The best traffic-free bike rides around Réservoir De Grand-Maison

4.7

(69)

5,942

riders

4

rides

Touring cycling around Réservoir De Grand-Maison is characterized by its high-alpine environment within the French Alps, featuring the expansive artificial lake formed by the Grand'Maison Dam. The region is surrounded by the Belledonne and Grandes Rousses massifs, offering significant elevation changes and challenging routes. Cyclists navigate winding mountain roads that provide views of numerous alpine peaks, valleys, and other high-altitude lakes.

Best no traffic touring cycling routes around Réservoir De Grand-Maison

  • The most popular no traffic touring cycling route is…

Last updated: July 7, 2026

5

riders

#1.

Sign – Refuge of the Étendard loop from Lac Saint-Nicolas

15.2km

01:56

670m

670m

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

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Tips from the Community

Nicolas Vergnaud
June 18, 2025, La Vilette

La Vilette is the highest hamlet in the commune of Vaujany. Between the houses and the chairlift, there are delightful trails, the pretty Flumet stream, and superb viewpoints, notably of the Fare waterfall in the distance.

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Cyclists are always welcome here.

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Very nice climb. The road to the top changes with the landscape and gradually becomes less good. No more loose gravel seen. No problem at all on the way up, but pay close attention at first on the descent. There was minimal traffic.

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Very demanding climb but the landscapes are worth the detour!! Much less frequented than other major passes in the Alps.

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The Col de la Croix de Fer culminates at an altitude of 2063 meters. It is the big neighbor of the Col du Glandon, another crossing point between the Maurienne and Oisans valleys. The Tour de France has used this pass 21 times. It is one of the most beautiful in France, a must-visit point for any mountain-loving cyclist!

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It is one of the great discoveries of the French Alps in my last decade. It is not a mountain pass because it only has one road side. On foot (or even with a Gravel bike), once you reach the top, you can reach the Lac de Grand-Maison, connecting with the final stretch of the climb to the Col de Glandon or the Col de la Croix-de-Fer . The climb to Col de Sabot has a gradient of 1,253 meters, 14.5 km in length with an average slope of 8.9%. It is a very tough port. It has 2 parts that are very well differentiated in every sense: - The first, until reaching Vaujany (about 5 km) is a very wide road, perfectly paved, with some traffic and hardly any views of the valley. - The second is a very narrow road, with a lot of gravel, hardly any traffic and views of the alpine meadows. In a quiet environment where only the sounds of the mountain can be heard.

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It is a spectacular climb from the valley, but it is true that from the town of Vaujany it is wonderful. The data show that it is a colossus of the Alps, with 1,283 meters of elevation gain, 14.5 km and an average slope of 8.9%. In the last 8 km the slope is even harder. The road is very narrow and very irregular. You breathe absolute tranquility. A MUST!!!

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The Col du Sabot – 2100 m – is the highest point of the Isère passes and only 2000. From the pass the view is magnificent and you can see Lake Verney below.

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Frequently Asked Questions

How many no-traffic touring cycling routes are available around Réservoir De Grand-Maison?

Komoot offers 5 dedicated no-traffic touring cycling routes around Réservoir De Grand-Maison. These routes are carefully curated to provide a serene cycling experience away from vehicular traffic, allowing you to fully immerse yourself in the stunning alpine scenery.

What is the best time of year to cycle around Réservoir De Grand-Maison?

The optimal time for touring cycling around Réservoir De Grand-Maison, especially on higher passes, is generally from late spring to early summer or late summer to early autumn. During these periods, snow has typically cleared, and temperatures are more favorable for cycling. The Grand'Maison Dam itself is usually accessible from April 30 to October 31.

Are there any moderate no-traffic touring routes for cyclists seeking a less strenuous ride?

Yes, for those looking for a moderate challenge, the Hôtel Les Crêtes – L'Ouillon loop from Saint-Sorlin-d'Arves is an excellent option. This route offers beautiful views with a manageable elevation gain, making it suitable for touring cyclists who prefer a less demanding experience while still enjoying the alpine environment.

What kind of terrain can I expect on these no-traffic touring routes?

The routes around Réservoir De Grand-Maison feature varied terrain typical of the French Alps. While the approaches to the reservoir involve substantial climbing, the area directly around the lake offers flatter sections, providing a welcome respite. Expect a mix of challenging ascents and scenic descents, with continuous breathtaking views of the mountains.

What natural features can I see along the no-traffic touring cycling routes?

Cyclists can enjoy magnificent scenery including the impressive Grand'Maison Dam and the expansive Lac de Grand'Maison. The routes offer views of towering alpine peaks like Les Aiguillettes and the Aiguilles de l'Argentière, as well as the forested Eau d'Olle valley. While not directly on every route, the wider region is dotted with other high-altitude lakes such as Lac de l'Ane and Lac Blanc, and natural attractions like Cascade de la Fare.

Are there any circular no-traffic touring routes available?

Yes, several routes are designed as loops. For example, the challenging Col de la Croix de Fer (Iron Cross Pass) – Refuge of the Étendard loop from Lac Saint-Nicolas offers a demanding circular ride with significant elevation. Another option is the Saint-Étienne Church loop from Vaujany, which also provides a circular experience.

What do other touring cyclists enjoy most about cycling in Réservoir De Grand-Maison?

The area is highly rated by the komoot community, with an average score of 4.8 stars from 53 ratings. Reviewers often praise the stunning alpine landscapes, the challenge of the climbs, and the serene natural features that make for an unforgettable touring cycling experience.

Are there any particularly challenging no-traffic routes for experienced touring cyclists?

Experienced touring cyclists seeking a significant challenge will find several difficult routes. The La Toussuire Summit – La Grande Verdette loop from Villarembert is one of the most demanding, featuring substantial elevation gain over its 26.8 km distance. Another challenging option is the L'Ouillon – Col d'Arves loop from Saint-Jean-d'Arves.

Where can I find parking to access these no-traffic touring routes?

While specific parking details for each route vary, access points for these touring routes are typically found near the starting locations mentioned, such as Lac Saint-Nicolas, Saint-Sorlin-d'Arves, Vaujany, Villarembert, and Saint-Jean-d'Arves. It is advisable to check local information for designated parking areas in these villages before your ride.

Are there any famous cycling landmarks or passes near Réservoir De Grand-Maison?

Yes, Réservoir De Grand-Maison is strategically located near some of the French Alps' most iconic cycling landmarks. It is close to the summit of the northern side of the renowned Col de la Croix de Fer and the Col du Glandon, both legendary passes frequently featured in the Tour de France. Cycling routes in the area often incorporate or provide access to these famous climbs.

Is it possible to integrate these routes into a longer touring cycling trip?

Absolutely. Réservoir De Grand-Maison can serve as a significant stop or segment within longer touring routes. The region is part of the wider French Alps network, making it possible to connect these no-traffic routes with other major cycling itineraries, such as sections of the challenging Route des Grandes Alpes.

Most popular routes around Réservoir De Grand-Maison

Road Cycling Routes around Réservoir De Grand-Maison

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