5.0
(6)
906
riders
04:51
74.1km
2,320m
Road cycling
The Joux Plane Circuit is a difficult 46.0-mile (74.1 km) road cycling route in the French Alps, known for steep climbs and Mont Blanc views
Last updated: February 26, 2026
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Waypoints
Start point
Parking
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3.55 km
Highlight • Rest Area
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8.28 km
Highlight • Mountain Pass
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11.1 km
Highlight • Mountain Pass
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51.8 km
Highlight • Other
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74.1 km
End point
Parking
Way Types & Surfaces
Way Types
66.9 km
7.23 km
Surfaces
73.5 km
575 m
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Elevation
Highest point (1,690 m)
Lowest point (620 m)
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Weather
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Monday 11 May
7°C
0°C
16 %
Additional weather tips
Max wind speed: 7.0 km/h
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This route was planned by komoot.
The Joux Plane Circuit is a demanding ride. According to komoot's data, it typically takes around 4 hours and 51 minutes to complete the full 74 km route. However, this duration can vary significantly based on your fitness level and how often you stop to enjoy the views.
This route is classified as 'difficult' and is not recommended for amateur cyclists. It features consistently steep ascents, with gradients often reaching 10% and sections peaking at 11-15%. It's considered an 'Hors Catégorie' climb, meaning it's among the most challenging in the French Alps, even for professionals. Cyclists should be well-prepared and have appropriate gearing.
The Col de Joux Plane is legendary in professional cycling, having been featured numerous times in the Tour de France since 1978. Its extreme difficulty and decisive role in past races have earned it an 'Hors Catégorie' status, placing it among the most iconic and challenging climbs in the French mountains.
The ascent from Samoëns (south side) is generally considered the harder and more famous climb. It's longer and has a steeper average gradient, with the difficulty intensifying significantly after the initial kilometers. The ascent from Morzine (north side) is still very challenging but is often seen as the 'easier' of the two.
The best time to cycle this route is typically from late spring through early autumn, generally from June to September, when the mountain passes are clear of snow and the weather is most favorable. Always check local weather forecasts and road conditions before you set out, as mountain weather can change rapidly.
You'll be rewarded with magnificent panoramic Alpine views throughout the circuit. From the summit of Col de Joux Plane, you can enjoy stunning vistas of the Mont Blanc massif. The route also traverses varied landscapes, including dense forests, mountain pastures, and small hamlets, offering a truly picturesque experience.
Yes, there are some facilities along the route. You can find a water fountain at the Joux Plan water fountain. It's always advisable to carry sufficient water and snacks, especially on such a demanding ride, as services might be sparse in certain sections.
The Joux Plane Circuit can be started from various points, with Morzine being a common and convenient starting point for many cyclists. Parking is generally available in Morzine, though it's always good to check specific parking regulations and availability, especially during peak season. The route is a loop, so you'll return to your starting point.
No, there are no specific permits or entrance fees required to cycle the Joux Plane Circuit. The roads are public, and you are free to enjoy the route. However, always respect local traffic laws and any temporary road closures for events or maintenance.
While the Joux Plane Circuit is a road cycling route, dogs are generally not recommended to accompany cyclists on such a challenging and long ride due to safety concerns and the strenuous nature of the terrain. If you are looking for dog-friendly activities in the area, it's best to explore hiking trails or other recreational areas where dogs can safely be off-leash or on a lead.
Yes, the Joux Plane Circuit intersects with or shares sections of several other routes. Notably, it covers a significant portion of the "Circuit de Joux Plane" (43%) and also touches parts of the "Tour du Roc d'Enfer" (40%) and the famous "Route des Grandes Alpes à vélo, étape 1, Thonon-les-Bains / Cluses" (2%).
Yes, the descent, particularly towards Morzine, can be quite technical. It features sharp bends and variable road surfaces, which require caution. Always maintain a safe speed, be aware of other road users, and ensure your brakes are in excellent condition before tackling the descent.