4.3
(1105)
4,642
riders
241
rides
Mountain biking around Forêt Régionale de Cormeilles offers diverse natural features and well-maintained trails. This regional forest provides a refreshing escape with varied terrain, including winding paths and a dense tree canopy. The area features geological formations like the Buttes du Parisis and the Bois des Rinvals, contributing to its balanced ecosystem. Riders can expect a mix of gentle gradients and more challenging sections across its forested landscape.
Last updated: June 29, 2026
4.6
(11)
46
riders
25.0km
01:32
160m
160m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.8
(10)
50
riders
24.4km
02:19
510m
510m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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3.0
(1)
11
riders
14.9km
01:26
300m
300m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.6
(16)
69
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(14)
59
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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At the bend in the path, the entrance to Port Cergy appears, surprising...
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Magnificent restoration of the royal hunting lodge 🤴
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This bank of the Seine brings freshness and serenity
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During the week, a peaceful place on the edge of a beautiful forest, a breath of fresh air!
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The architecture of this red bridge is magnificent and stands out in the middle of this lake and this greenery. As pleasant for the scales as for the photos.
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Unfortunately the park does not seem to be open to the public.
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There are over 220 mountain bike trails in Forêt Régionale de Cormeilles, offering a wide range of options for all skill levels. Approximately 78 of these are rated as easy, 133 as moderate, and 18 as difficult.
The trails in Forêt Régionale de Cormeilles feature diverse natural terrain, including winding paths through dense woodlands and a mix of gentle gradients with some more challenging sections. You'll experience a refreshing escape with the rustling of leaves and birdsong under a dense tree canopy.
Yes, Forêt Régionale de Cormeilles offers many easy mountain bike trails. An excellent option for beginners is the Le sente du pré aux Lions – Rinvals Wood loop from Cormeilles-en-Parisis, an 8.0-mile (12.8 km) path that winds through the scenic Rinvals Wood, offering a pleasant ride.
While many routes feature gentle gradients, some offer more elevation. For example, the Maisons-Laffitte Castle – Saint-Germain-en-Laye Forest loop from Cormeilles-en-Parisis is a moderate 30.6-mile (49.3 km) trail with an elevation gain of approximately 319 meters, connecting two significant forested areas.
The forest offers several notable natural features and viewpoints. You can explore the Rinvals Wood and the Le sente du pré aux Lions. The View of the Paris skyline from the Quarry Descent offers panoramic views, and the Belvédère des Rinvals provides scenic overlooks of the Buttes du Parisis.
Yes, the forest is well-suited for family outings. Many of the easy trails, such as the Scree Wood Basin loop from Franconville - Le Plessis-Bouchard, are relatively flat and wind through forested areas, making them enjoyable for families. The diverse ecosystem with wildflowers and birdsong also adds to the experience.
Yes, Forêt Régionale de Cormeilles is generally dog-friendly. Many trails are suitable for riding with your dog, provided they are kept under control. Always ensure to check local regulations and signage for any specific restrictions on certain paths or areas within the forest.
The forest transforms with the seasons, offering a unique experience year-round. Spring and autumn are particularly pleasant, with mild temperatures and beautiful foliage. The dense tree canopy provides shade in summer, and even winter offers serene, snow-covered landscapes, though some paths might be muddier.
Yes, many of the mountain bike trails in Forêt Régionale de Cormeilles are designed as loops. Examples include the Strategic route. – Viewpoint loop from Franconville - Le Plessis-Bouchard and the Rinvals Wood – Single Montessori loop from Cormeilles-en-Parisis, both offering circular routes to explore the area.
The area is highly rated by the komoot community, with an average score of 4.3 stars from over 1000 reviews. Reviewers often praise the diverse natural features, the well-maintained trails, and the refreshing escape from urban life that the forest provides. The winding paths and dense tree canopy are frequently highlighted as key attractions.
Yes, there are various access points to the forest, and parking is generally available at designated areas around the perimeter of Forêt Régionale de Cormeilles. Specific parking information can often be found on individual route pages or local maps.


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