Réserve Biologique Intégrale De Merdassiers Nant Pareux
Réserve Biologique Intégrale De Merdassiers Nant Pareux
4.6
(235)
12,662
riders
7
rides
Road cycling in Réserve Biologique Intégrale De Merdassiers Nant Pareux offers routes through the Aravis mountain range, characterized by challenging ascents and alpine valleys. The region features well-maintained roads that wind through forests and open alpine meadows. While the integral reserve itself is dedicated to natural preservation, the surrounding areas provide extensive no traffic road cycling routes with diverse terrain. Cyclists can experience significant elevation gains and panoramic views of the mountains.
Last updated: May 29, 2026
90
riders
18.5km
01:08
470m
470m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.7
(3)
44
riders
28.5km
01:50
840m
840m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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3.7
(3)
34
riders
27.2km
02:33
1,060m
1,060m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
3.0
(1)
49
riders
114km
05:23
1,330m
1,330m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
5
riders
5.30km
00:18
100m
100m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Réserve Biologique Intégrale De Merdassiers Nant Pareux
These final kilometers are steeper and more challenging than all the previous kilometers on the climb. At the top, you'll have a beautiful view.
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A fairly steep but very peaceful end away from the traffic of Les Saisies
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Good pavement and no traffic. A bit noisy with the highway next to it
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Very nice refuge with a splendid view! Attention payment in cash only. For more advice, follow us on Komoot and Instagram @chouchou_team
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Little-known and little-frequented pass, the climb is done alone and without a sound in the forest. The view is magnificent and on arrival, the refuge allows you to have a small drink (⚠️payment by species only). The road is in poor condition and it can be disturbing on the way down. If you have a Gravel and courage, the thirst route (Gravel/mountain bike path) allows you to reach the Col des Aravis and is magnificent. Enjoy your climb and for more advice, follow us on Komoot and Instagram @chouchou_team
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Your ordeal is coming to an end.
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Charmless pass between the ski slopes. The end of the road above Hauteluce offers beautiful views towards Arêches.
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The region, nestled in the Aravis mountain range, offers a variety of no-traffic road cycling experiences. You'll find routes with challenging ascents, such as those leading to iconic mountain passes, alongside scenic loops through alpine valleys and past charming villages. The focus is on routes that provide a serene cycling experience away from heavy vehicle traffic, allowing you to immerse yourself in the dramatic alpine scenery.
Yes, there is at least one easy no-traffic road cycling route available. For a more relaxed experience, consider the Crest-Voland Village Center – Chapelle loop from Crest-Voland, which offers a gentler introduction to the area's beauty.
For experienced cyclists seeking a significant challenge, the region delivers. The Col de l'Arpettaz loop from Mont-Dessous is a difficult route featuring a formidable ascent with 42 hairpin bends and steep gradients, rewarding you with panoramic views of the Aravis chain and potentially Mont Blanc.
Absolutely. The area is renowned for its iconic climbs. Routes often incorporate passes like the Col de l'Arpettaz, known for its challenging nature and stunning vistas, and the Col des Aravis, a frequent feature in the Tour de France, offering spectacular alpine scenery and views of the Mont Blanc massif.
Yes, many of the no-traffic road cycling routes in the area are designed as loops, allowing you to start and finish in the same location. Examples include the Col des Saisies – Crest-Voland Village Center loop from Crest-Voland and the Nant Barlottier Waterfall – Plan Bois Pass loop from Manigod.
The komoot community highly rates the no-traffic road cycling experiences here, with an average score of 4.6 stars from over 200 ratings. Cyclists often praise the breathtaking panoramas, the challenging yet rewarding climbs, and the sense of immersion in a pristine natural environment away from traffic.
Yes, you can find routes that incorporate natural features. For instance, the Nant Barlottier Waterfall – Plan Bois Pass loop from Manigod offers the chance to cycle past the Nant Barlottier Waterfall, adding a scenic highlight to your ride.
You'll experience diverse alpine scenery, ranging from open alpine meadows and dense deciduous forests to dramatic mountain vistas. Routes often wind through tranquil valleys, offering glimpses of the jagged Aravis range and, on clear days, the majestic Mont Blanc.
The best time for road cycling is typically from late spring through early autumn (May to October), when mountain passes are clear of snow and weather conditions are generally favorable. Summer offers pleasant shade in forested sections, while spring and autumn provide vibrant colors and fewer crowds.
While the integral biological reserve itself is dedicated to minimal human disturbance, the surrounding areas provide exceptional cycling opportunities. When cycling, always respect local signage, stay on marked roads, and be mindful of the natural environment to help preserve its pristine condition. The 'no traffic' designation for these routes refers to vehicle traffic, not necessarily a complete absence of other users or specific reserve regulations.
The routes vary significantly to cater to different fitness levels. You can find shorter loops like the Crest-Voland Village Center – Chapelle loop from Crest-Voland at around 7.8 km with 185m elevation gain, up to more demanding rides such as the Col de l'Arpettaz loop from Mont-Dessous, which covers about 27 km with over 1000m of climbing.


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