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MTB trails
France
Ile-de-France
Versailles

Guyancourt

The best MTB trails around Guyancourt

4.4

(2313)

11,846

riders

494

rides

Mountain biking around Guyancourt features a landscape rich in green spaces, forests, and varied terrain, making it suitable for off-road cycling. The area is characterized by numerous ponds, such as Étang de la Minière and Lac de la Sourderie, and includes valleys like the Vallée de la Mérantaise and Vallée de la Bièvre. These natural features, combined with dedicated cycling paths, provide a diverse environment for mountain bikers.

Best mountain bike trails around Guyancourt

  • The most popular mountain bike trail…

Last updated: May 8, 2026

4.4

(38)

220

riders

#1.

Trou aux Gants Pond – Geneste Pond loop from Saint-Quentin-en-Yvelines

41.5km

03:28

450m

450m

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

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Hard

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

Hard

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

Hard

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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Popular around Guyancourt

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Tips from the Community

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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quickly recognizable

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easy calm but crowded on weekends in good weather

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good technical

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Small impassable single track, large fallen trunks and mud pools, difficult plan, it is better to go around for the moment

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very nice view

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Frequently Asked Questions

What kind of terrain can I expect on mountain bike trails in Guyancourt?

Guyancourt's mountain bike trails offer a diverse landscape, characterized by numerous ponds such as Étang de la Minière and Lac de la Sourderie, dense woodlands, and varied valleys like the Vallée de la Mérantaise and Vallée de la Bièvre. You'll find a mix of flat sections and moderate climbs, providing varied challenges for mountain bikers.

How many mountain bike trails are available in Guyancourt?

There are over 490 mountain bike trails around Guyancourt listed on komoot, catering to various skill levels from easy to difficult. This includes 103 easy routes, 266 moderate routes, and 123 difficult routes.

Are there any family-friendly mountain bike trails in Guyancourt?

Yes, Guyancourt offers a selection of easy and moderate routes suitable for families. While specific 'family-friendly' designations aren't always explicit, the 103 easy routes provide gentler terrain. Look for trails around the ponds or within the less challenging sections of Parc des Sources de la Bièvre for a pleasant family outing.

Can I bring my dog on the mountain bike trails in Guyancourt?

Many natural areas in Guyancourt, including the green spaces and forests, are generally dog-friendly. However, it's always recommended to keep dogs on a leash, especially in shared spaces like Parc des Sources de la Bièvre and around the ponds, to ensure the safety and comfort of all users and local wildlife. Check specific park regulations if you plan to visit a particular area.

What are some notable natural features or landmarks I might see while mountain biking in Guyancourt?

Guyancourt's trails often pass through beautiful natural settings. You can explore areas around the tranquil Ponds of Parc des Côtes Montbron, the picturesque Étang de la Minière, or the expansive Parc des Sources de la Bièvre. The region also features historical sites like various castles, such as the famous Palace of Versailles nearby, and unique natural monuments like the Menhirs of the Chêne des Missions.

What do other mountain bikers enjoy most about the trails in Guyancourt?

The mountain bike trails in Guyancourt are highly rated by the komoot community, with an average score of 4.4 stars from over 2,000 reviews. Riders often praise the diverse terrain, the scenic beauty of the ponds and forests, and the variety of routes available for different skill levels.

Are there any challenging mountain bike routes for experienced riders?

Absolutely. Guyancourt offers 123 difficult mountain bike routes for experienced riders. One challenging option is the Château de Plaisir – Single loop from Saint-Cyr, a 16.3-mile (26.3 km) path with significant elevation changes. Another is the Carrefour des Petits Champs – Val-d'Or Pond loop from Saint-Quentin-en-Yvelines, a difficult 25.5-mile (25.5 km) route.

What is the best time of year to go mountain biking in Guyancourt?

Guyancourt's trails are enjoyable throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, making them ideal. Summer can also be good, especially in the shaded forest sections, but be mindful of warmer temperatures. Winters are generally mild, but some trails might be muddy after rain or during colder periods.

Is parking available near the mountain bike trailheads in Guyancourt?

Yes, Guyancourt is well-equipped with various parking options, especially near its numerous green spaces and natural areas. For trails starting near major parks like Parc des Sources de la Bièvre or the Étang de la Minière, you will typically find designated parking facilities. It's advisable to check specific starting points for the most convenient parking.

Can I reach the mountain bike trails in Guyancourt using public transport?

Guyancourt has a good public transport network, making many areas accessible. Buses serve various parts of the commune, and the town is part of the Île-de-France transport system. You can often reach areas close to trailheads via public transport, though you might need to cycle a short distance to the exact starting point.

Are there any moderate mountain bike trails for intermediate riders?

Yes, Guyancourt has a substantial number of moderate trails, with 266 routes designed for intermediate riders. A good example is the Single from Port-Royal – Descent from Port-Royal Abbey loop from Saint-Quentin-en-Yvelines, a 41.6 km route that offers a balanced challenge without being overly technical.

Are there any specific regulations or permits required for mountain biking in Guyancourt's natural areas?

Generally, no specific permits are required for mountain biking on designated trails in Guyancourt's public natural areas. However, it's crucial to respect local signage, stay on marked paths, and be mindful of other users, as many trails are shared with hikers and walkers. Always check for any temporary restrictions or specific rules for protected zones.

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