4.4
(1704)
8,991
riders
432
rides
Mountain biking around Saclay offers a diverse landscape, characterized by extensive forests, numerous ponds, and varied terrain encompassing valleys and plateaus. The region features a mix of well-established trails that cater to different skill levels, from gentle paths to more demanding routes with significant elevation changes. Riders can explore natural features such as the Bois des Gonards, Geneste Pond, and the expansive Saclay Plateau. This topography provides a compelling environment for mountain bikers seeking both recreational rides and challenging adventures.
…Last updated: May 20, 2026
4.5
(15)
80
riders
28.5km
02:09
290m
290m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
21
riders
15.1km
01:19
200m
200m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

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4.7
(3)
23
riders
24.2km
02:02
290m
290m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.3
(3)
22
riders
24.3km
01:55
320m
320m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
3.0
(1)
10
riders
29.2km
02:22
350m
350m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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In the middle of the forest stands a magnificent and imposing oak tree; you can't see a taller tree for miles around.
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Access has recently been blocked following the installation of the construction site for a service structure for the future metro 18 Grand Paris Express...
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easy calm but crowded on weekends in good weather
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Start on the side of the path closest to the A86 motorway and follow it downhill. A small jump, two steps, a bend, then a change in slope followed by two bends. Then, three climbs/descents. Finally, a passage through the ferns.
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Saclay offers a wide variety of mountain biking experiences, with over 400 routes available. These trails cater to different skill levels, from leisurely rides to more challenging adventures.
Yes, Saclay has nearly 100 easy mountain bike trails, perfect for beginners or those looking for a relaxed ride. These routes typically feature less challenging terrain and elevation changes, making them accessible for all skill levels.
The terrain in Saclay is diverse, characterized by extensive forests, tranquil ponds, and undulating valleys and plateaus. You'll encounter a mix of well-established paths, wooded sections, and some routes with notable elevation gain, offering a varied and engaging riding experience.
While specific family-friendly designations aren't always marked, many of the easier trails in Saclay are suitable for families. Routes that explore the numerous ponds and forests, such as those around the Bois des Gonards or Étang de l'Allée Blanche, often provide pleasant and accessible options for a family outing.
Generally, dogs are permitted on many natural trails in Saclay, especially in forested areas and around ponds. However, it's always advisable to keep your dog on a leash and check for any specific local regulations or signage in particular parks or protected areas you plan to visit.
Many trails in Saclay offer scenic views, particularly those that climb to the Saclay Plateau, providing rewarding vistas of the valley. Routes like the Bois des Gonards – Étang de l'Allée Blanche loop from Jouy-en-Josas traverse dense woodlands and pass picturesque ponds, offering beautiful natural scenery throughout.
Yes, many of the mountain bike trails in Saclay are designed as circular routes, allowing you to start and end at the same point. Examples include the The Big Drop – loop from Jouy-en-Josas and the Path along the ditch – A86 footbridge loop from Jouy-en-Josas, which offer convenient loops through varied landscapes.
Saclay's trails often pass by beautiful natural features. You can explore areas like the Bois des Gonards, Geneste Pond, Pond of Cour Roland, and Étang de l'Allée Blanche. The region also features unique geological sites such as the La Troche Quarry, known for its sandstone rocks, and various Ponds of Parc des Côtes Montbron.
The diverse landscape of Saclay makes it suitable for mountain biking across multiple seasons. Spring and autumn offer pleasant temperatures and vibrant scenery. While winter riding is possible, be prepared for potentially muddy conditions, especially after rain, as many trails wind through forests and natural areas.
Yes, Saclay offers challenging routes for experienced mountain bikers. Approximately 120 trails are graded as difficult, featuring significant elevation gains and more technical sections. These routes require good fitness and advanced riding skills, with some even necessitating pushing your bike on steeper ascents.
The mountain bike trails in Saclay are highly rated by the komoot community, with an average score of 4.4 stars from over 1,800 reviews. Riders often praise the extensive forests, tranquil ponds, and the varied terrain that provides both recreational opportunities and challenging adventures.
Yes, Saclay is close to several historical landmarks. While riding, you might be near the Palace of Versailles or catch a View of the Château de Sceaux. Other notable sites include La Madeleine Castle, offering a blend of natural beauty and historical interest.


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