Tour of Roc d'Enfer

This is a difficult road cycling route, requiring very good fitness. While some sections of the climb to Col de Jambaz are described as pleasant with good road quality and no particular technical difficulties, the overall loop involves significant elevation changes and a substantial distance, making it suitable for experienced cyclists.

The Col de Jambaz loop is estimated to take approximately 4 hours and 27 minutes to complete. This duration is for the cycling activity itself and does not include stops.

You can expect beautiful and relaxed alpine scenery throughout the ride. As the route is within the Géoparc du Chablais, a UNESCO Global Geopark, you'll be treated to remarkable natural landscapes, including potential views of Mont Blanc and Lake Geneva, pristine mountain lakes, and verdant valleys. The climb itself traverses pretty countryside, with alternating sections of shade and sun.

Yes, the route passes by several points of interest. You'll go over the Jambaz Pass and the Col de Saxel. There's also the Ascent to Plaine-Joux, and you might find a lovely lake slightly above the Jambaz Pass where you can relax.

The starting point for this loop is often in the vicinity of the Col de Jambaz itself or a nearby town within the Géoparc du Chablais. Specific parking information is not provided, but you would typically look for public parking in the nearest village or designated areas for trail access.

This route is designed for road cycling. While dogs are generally welcome in many outdoor areas, bringing a dog on a challenging road bike loop of this nature is not typically recommended for their safety or comfort, especially given the distance and elevation.

The best time to cycle this route is generally during the warmer months, from late spring through early autumn, when the mountain passes are clear of snow and weather conditions are more stable for road cycling. Summer offers pleasant conditions, but always check local weather forecasts before heading out.

No, there are no specific permits or entrance fees required to cycle the Col de Jambaz loop within the Géoparc du Chablais. The roads are publicly accessible.

While specific establishments are not listed, the route passes through various villages and towns within the Géoparc du Chablais. You will likely find opportunities for refreshments and meals in these areas, especially near the passes or in larger settlements.

Yes, this route intersects with several other official trails. Notably, it covers significant portions of the Tour du Roc d'Enfer (35%), Circuit de Planbois (19%), and Tour du Mont d'Hermone (18%). It also briefly touches sections of the P'tites Routes du Soleil and the Tour du Léman.

The route primarily features well-paved surfaces, making it suitable for road bikes. Reviewers have noted good road quality, particularly on the climb to Col de Jambaz, indicating a smooth ride for cyclists.