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France
Ile-de-France
Versailles

Thiverval-Grignon

The best MTB trails around Thiverval-Grignon

4.4

(1333)

5,521

riders

345

rides

Mountain biking around Thiverval-Grignon offers diverse terrain within the Plaine de Versailles and the Yvelines department. The region is characterized by the expansive Parc de Grignon, which spans the Gally valley, featuring elevations from approximately 70 meters to 110 meters. This area includes woodlands, agricultural zones, and borders the Forêt de Marly, providing varied natural settings for mountain bike trails. The presence of the Ru de Gally stream further defines the landscape.

Best mountain bike trails around Thiverval-Grignon

  • The most…

Last updated: July 5, 2026

3.8

(71)

132

riders

#1.

Château de Plaisir – Single loop from Plaisir - Grignon

25.3km

02:02

230m

230m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Tips from the Community

Sylvain LD
July 3, 2026, Étang du Moulin à Renard et étang Braque

Nice place and very pleasant

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Jules
August 18, 2025, Étang du Val-d'Or

great intermediate level course of around 1 hour by mountain bike

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easy to ride on gravel

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Mountain bike ride through the countryside around Versailles and Marly-le-Roi. The route offers a clear view of the beauty of the 18th-century monuments. Very relaxing.

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table in a marshy area with a small bike park with cool bumps

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quickly recognizable

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easy calm but crowded on weekends in good weather

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cool for my midday picnics while hiking

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Frequently Asked Questions

How many mountain bike trails are available around Thiverval-Grignon?

There are over 330 mountain bike trails around Thiverval-Grignon. This includes a wide range of difficulties, with approximately 60 easy routes, over 210 moderate options, and more than 50 challenging trails for experienced riders.

What kind of terrain can I expect on mountain bike trails in Thiverval-Grignon?

The terrain around Thiverval-Grignon is quite varied, characterized by the "plaine de Versailles" and the Gally valley. You'll find a mix of woodlands, agricultural zones, and areas bordering the Forêt de Marly. Elevations range from about 70 meters in the valley to 110 meters on northern slopes, providing diverse riding conditions.

Are there any family-friendly mountain bike trails in the area?

Yes, Thiverval-Grignon offers several family-friendly mountain bike trails, particularly among the 60 easy routes available. These trails typically feature gentler gradients and less technical terrain, making them suitable for riders of varying ages and skill levels. Look for routes with lower elevation gains and shorter distances for a comfortable family outing.

Can I bring my dog on the mountain bike trails around Thiverval-Grignon?

Many trails in the natural areas around Thiverval-Grignon, including parts of the Parc de Grignon and the Forêt de Marly, are generally dog-friendly. However, it's always recommended to keep your dog on a leash, especially in agricultural zones or near wildlife, and to check specific local regulations for any protected areas you plan to visit.

What are some notable landmarks or natural features I can see while mountain biking?

While exploring the trails, you can encounter several interesting landmarks and natural features. The area is rich with historical sites like the Saint Martin's Church, Beynes, and the Ruins of the Château de Beynes. Natural highlights include the Gally valley, the ru de Gally stream, and various ponds such as Saint-Quentin Pond and the Arm of the Ménagerie, which is part of the historic Grand Canal of Versailles.

Are there any loop trails for mountain biking in Thiverval-Grignon?

Yes, many of the mountain bike routes around Thiverval-Grignon are designed as loops, allowing you to start and finish at the same point. For example, the Château de Plaisir – Single loop from Plaisir - Grignon is a popular moderate loop covering 25.3 km, and the Bassin de Pissaloup – Saint-Quentin Pond loop from Plaisir - Grignon offers a 37.5 km moderate ride.

What is the best time of year to go mountain biking in Thiverval-Grignon?

The best time for mountain biking in Thiverval-Grignon is generally during spring and autumn when the weather is mild and the natural scenery is at its most vibrant. Summer can also be pleasant, but it's advisable to ride earlier in the morning or later in the afternoon to avoid the midday heat. Winter riding is possible, but trails may be muddy or slippery, especially after rain.

Where can I park my car when visiting the mountain bike trails?

Parking options are available in and around Thiverval-Grignon, particularly near trailheads or in the villages that serve as starting points for many routes. Specific parking details often depend on the chosen route, but public parking is generally accessible in areas like Plaisir or near the Parc de Grignon. Always check local signage for any restrictions.

Is it possible to access the mountain bike trails by public transport?

Yes, Thiverval-Grignon and surrounding areas are accessible by public transport, primarily through the regional train network (Transilien). You can often reach nearby towns like Plaisir, which serve as good starting points for many mountain bike routes. From these stations, you might need to cycle a short distance to reach the main trail networks. Check local transport schedules for the most up-to-date information.

Are there any cafes or pubs near the mountain bike trails?

Thiverval-Grignon and its neighboring towns offer local cafes and pubs where you can refuel after your ride. While specific establishments directly on the trails might be limited, you'll find options in the village centers. Consider planning your route to pass through or end near these amenities for a convenient break.

What do other mountain bikers enjoy most about mountain biking in Thiverval-Grignon?

The mountain biking experience around Thiverval-Grignon is highly rated by the komoot community, with an average score of 4.4 stars from over 1200 reviews. Riders often praise the diverse terrain, which includes a good mix of woodlands and open agricultural areas, as well as the varied elevation changes that cater to different skill levels. The historical context of the Gally valley and proximity to the Forêt de Marly also add to the appeal.

Are there any advanced mountain bike routes for experienced riders?

Yes, for experienced riders seeking a challenge, there are over 50 difficult mountain bike routes around Thiverval-Grignon. An example is the Grand Canal of Versailles – Arm of the Ménagerie loop from Plaisir - Grignon, a 42.0 km trail that features significant elevation changes and more technical sections through the historic Gally valley.

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