4.5
(222)
794
riders
34
rides
Mountain biking around Forges-Les-Bains offers diverse landscapes within the Parc naturel régional de la Haute Vallée de Chevreuse. The area features extensive green spaces, numerous forests, and varied water landscapes, providing a rich environment for outdoor activities. Trails range from easy routes to challenging paths with significant uphill and downhill sections. This region is characterized by its varied terrain, making it suitable for different mountain biking skill levels.
Last updated: May 18, 2026
4.1
(7)
19
riders
24.7km
01:56
230m
230m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(1)
14
riders
34.0km
02:37
340m
340m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.6
(5)
12
riders
24.6km
02:04
330m
330m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(2)
6
riders
40.3km
03:26
480m
470m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
5
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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nice but watch out for the cobblestones
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The castle of Forges-les-bains was built in the 17th century, before being remodeled in the 18th century by Edme Mathurin Le Jariel, squire of the king. Currently, some parts are dilapidated, others restored. It is the in-between.
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Church of Our Lady of the Assumption of Forges-les-bains. If you want more information, they have a website https://www.secteurlimours-catholique.fr/
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The Arrows of the Cathedrals is a monumental metal sculpture, created by Georges Saulterre and installed in 1989 along the A10 in the area of Forges-les-Bains. At a height of 21 meters it weighs 30 tonnes. In 1998, the sculpture was listed in the Guinness Book of World Records as "the tallest sculpture made by a man." It was acquired by Cofiroute. For more information: https://fr.wikipedia.org/wiki/Les_Fl%C3%A8ches_des_cath%C3%A9drales
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Typical of the Chevreuse valley
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Do not hesitate to enter the course (museum and toilets)
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The region offers over 35 mountain bike trails, catering to various skill levels. You'll find a good mix of easy, moderate, and challenging routes to explore the diverse landscapes of the Parc naturel régional de la Haute Vallée de Chevreuse.
Yes, there are 16 easy mountain bike routes around Forges-les-Bains. A great option for beginners is the Étang de la Baleine – Château du Marais loop from Forges-les-Bains, which is 14.4 miles (23.2 km) long and explores water features and historical sites.
The terrain around Forges-les-Bains is diverse, featuring extensive green spaces, numerous forests, and varied water landscapes within the Parc naturel régional de la Haute Vallée de Chevreuse. You'll encounter a mix of paths, from gentle forest tracks to more challenging sections with significant uphill and downhill segments.
Yes, for experienced riders seeking a challenge, there is at least one difficult mountain bike route available. Additionally, 18 moderate routes offer varied terrain and elevation changes, such as the Viaduc de la Prédécelle – Étang de la Baleine loop from Forges-les-Bains, which features a viaduct and scenic water bodies over 19.9 miles (32.2 km).
The trails often pass by beautiful natural features and historical landmarks. You can explore various lakes such as Trévoix Pond and Beauséjour Lake. Historical sites like La Madeleine Castle and the Fauvettes Viaduct (also known as Viaduc de la Prédécelle) offer scenic viewpoints and a glimpse into the region's heritage.
Yes, many of the mountain bike routes around Forges-les-Bains are designed as loops. For example, the Viaduc de la Prédécelle loop from Forges-les-Bains is a moderate 24.6 km (15.3 mi) route that allows you to start and finish in the same location.
The Parc naturel régional de la Haute Vallée de Chevreuse is enjoyable for mountain biking throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery. Summer can be good, especially in the shaded forest sections, while winter riding is possible but may require checking trail conditions for mud or ice.
Yes, the region offers several easy routes suitable for families. The diverse landscapes with forests and water features provide an engaging environment for riders of all ages. Consider routes that explore the various ponds and historical sites for a pleasant family outing.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 200 reviews. Mountain bikers often praise the varied terrain, the extensive network of trails through green spaces and forests, and the opportunity to discover historical sites and scenic water bodies.
Generally, no specific permits are required for mountain biking on designated trails within the Parc naturel régional de la Haute Vallée de Chevreuse. However, it's always advisable to respect local regulations, stay on marked paths, and be mindful of other trail users and wildlife.
While Forges-les-Bains is accessible, direct public transport links to specific trailheads might be limited. It's recommended to check local bus schedules or regional train services to nearby towns and plan your route accordingly, as some trails may require a short ride from the nearest public transport stop.
Yes, several routes offer glimpses of the region's rich history. For instance, the Étang de la Baleine – Château du Marais loop from Forges-les-Bains passes by historical sites. You can also find routes near La Madeleine Castle or Château de Dourdan, which are significant historical landmarks in the wider area.


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