4.8
(124)
6,340
riders
14
rides
Road cycling routes around Réserve Naturelle de la Bailletaz are situated in the high Tarentaise region, offering access to high-alpine landscapes. While direct road cycling within the reserve is prohibited, its strategic location adjacent to the Col de l'Iseran route provides challenging and rewarding experiences. The area is characterized by dramatic mountain passes, diverse alpine ecosystems, and protected natural environments.
Last updated: July 1, 2026
4.7
(11)
329
riders
22.9km
01:29
720m
710m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
4
riders
8.40km
00:34
280m
270m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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16
riders
10.3km
00:34
220m
220m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
8
riders
6.46km
00:20
120m
120m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
4.2
(18)
841
riders
92.0km
05:25
2,280m
2,280m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
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Popular around Réserve Naturelle de la Bailletaz
It's worth climbing up to Tignes after the ascent to the colossus Iseran and descending via the winding road that takes us to Tignes 1500.
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Nice stone bridge, also a toilet at the parking lot beforehand.
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Start of the ascent, the pass is further up later.
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D902, great landscape and road to the Col de l'Iseran.
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Nice little original village on the pass road
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D902 with tunnels and galleries, with beautiful views in between.
1
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Good start for the pass, not a really nice place.
2
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Isere reservoir, tunnels and galleries on the D902.
2
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There are 16 road cycling routes available around Réserve Naturelle de la Bailletaz, catering to various skill levels. These routes offer a diverse range of experiences, from challenging mountain passes to scenic loops along riverbanks.
The best time for road cycling in this high-alpine region, particularly for routes like the Col de l'Iseran, is typically from late spring to early autumn. Roads are usually clear of snow during this period, allowing access to the higher passes. Specific 'car-free days' are also organized on certain mountain passes, offering a unique and tranquil cycling experience.
Yes, there are 6 easy road cycling routes available. For instance, the Iseran Pass – Iseran biotope loop from Tête de l'Arollay is an easy 8.4 km route that allows you to experience the high-alpine environment without extreme difficulty.
The road cycling routes around Réserve Naturelle de la Bailletaz are characterized by high-alpine landscapes and challenging mountain passes. You'll encounter significant elevation gains, especially on iconic climbs like the Col de l'Iseran, offering panoramic views and dramatic scenery. The region also features diverse alpine ecosystems, from rocky environments to grasslands.
Cyclists are rewarded with breathtaking high-mountain landscapes and panoramic views, particularly from the summit of the Col de l'Iseran, where you can see the Maurienne glaciers. Routes like On the banks of the Isère – View of the Tignes dam loop from Le Fornet also offer scenic views of the Tignes dam and the Isère river.
No, direct road cycling within the Réserve Naturelle de la Bailletaz itself is prohibited. The reserve focuses on pedestrian discovery and restricts motorized vehicles to preserve its pristine high-mountain biodiversity. However, its strategic location adjacent to routes like the Col de l'Iseran allows cyclists to experience the stunning surrounding landscapes.
The Col de l'Iseran is a challenging ascent, frequently featured in the Tour de France. The climb from Val-d'Isère spans 17 kilometers with an elevation gain of 900 meters. While the average gradient is moderate, sections can reach up to 8%, and the thin air above 2,000 meters adds to the difficulty. Several moderate routes incorporate parts of this iconic pass, such as the Col de l'Iseran – Iseran Pass loop from Réserve naturelle de la Bailletaz.
Yes, many routes in the area are designed as loops. For example, the Le Fornet Village – Col de l'Iseran loop from Val-d'Isère is a popular 15.4 km circular trail that takes you through high-alpine terrain. Another option is the View of Lake Chevril – Col de l'Iseran loop from Tête de l'Arollay.
The routes in Réserve Naturelle de la Bailletaz are highly rated by the komoot community, with an average score of 4.6 stars from over 100 reviews. Cyclists often praise the dramatic mountain scenery, the challenge of the climbs, and the rewarding panoramic views. Over 7,000 road cyclists have used komoot to explore this varied terrain.
While cycling directly within the reserve is not permitted, the broader region, including areas adjacent to cycling routes, is known for its rich high-altitude wildlife. You might encounter species like the Alpine Ibex (bouquetin) and Chamois, especially on south-facing slopes. The area is also a vital habitat for birds such as the Bearded Vulture and Alpine Ptarmigan.
Yes, the Col de l'Iseran, which borders the reserve, is a crucial segment of the Route des Grandes Alpes. This integration allows for longer, multi-day cycling tours through magnificent alpine environments, connecting various passes and regions across the French Alps.
The Réserve Naturelle de la Bailletaz is integrated into a larger network of protected spaces, including the Vanoise National Park. While road cycling is generally permitted on public roads, it's always advisable to be aware of and respect specific park regulations regarding wildlife, waste, and general conduct to help preserve this extensive natural environment.


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