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Saint-Cyr-Sous-Dourdan

The best MTB trails around Saint-Cyr-Sous-Dourdan

4.5

(527)

2,031

riders

293

rides

Mountain biking around Saint-Cyr-Sous-Dourdan offers diverse terrain, primarily within the Dourdan National Forest. The region features a network of trails with varied profiles, including rolling paths, uphill climbs, single-tracks, and descents. Riders can expect a mix of technical sections and fast descents, often winding through shaded areas and alongside features like the Ru des Vaux. This landscape provides options for different skill levels, from moderate routes to more challenging paths.

Best mountain bike trails around Saint-Cyr-Sous-Dourdan

  • The most popular mountain…

Last updated: July 5, 2026

4.5

(14)

54

riders

#1.

Grillon Trail – Fishing pond loop from Sermaise

51.0km

04:10

510m

510m

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

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Moderate

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

Moderate
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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

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

Moderate

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

Moderate
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Popular around Saint-Cyr-Sous-Dourdan

Cycling around Saint-Cyr-Sous-Dourdan

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Hiking around Saint-Cyr-Sous-Dourdan

Tips from the Community

Julien
April 14, 2025, La Drouette près de l'étang d'Or

The area is ideal for mountain biking, a pure moment of relaxation with family or friends

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Julien
April 7, 2025, Étang d'Or

A great tour, a must-do. The view is amazing and the route is very pleasant and suitable for all levels.

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Ideal space for picnic

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In the heart of the Dourdan national forest, this trail is a space for walking but also for learning. Discover the different species of trees present on the site, admire the flora thanks to the botanical plaques and learn more about the fauna of the forest. Then, have fun in the labyrinth and rest on the tables and benches present along the route. Plan 30 minutes of walking there and back and 30 minutes of discovery. The adapted surface allows the circulation of strollers and wheelchairs, the tables can also accommodate people with reduced mobility. The car park has a space reserved for people with reduced mobility.

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Very pretty village but few shops! Choose Clairefontaine for supplies

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Magnificent wash house and its lake...

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a crossroads like so many others without any information...

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Access for firefighters...

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Frequently Asked Questions

What kind of terrain can I expect on mountain bike trails around Saint-Cyr-Sous-Dourdan?

The trails primarily wind through the Dourdan National Forest, offering a mix of varied terrain. You'll encounter rolling paths, uphill climbs, single-tracks, and descents. Some routes feature technical sections and fast descents, often alongside natural features like the Ru des Vaux, providing a diverse riding experience.

Are there mountain bike trails for all skill levels in Saint-Cyr-Sous-Dourdan?

Yes, the area caters to various skill levels. Out of over 290 available routes, you'll find around 70 easy trails, over 180 moderate options, and more than 40 difficult paths, ensuring there's something for beginners to experienced riders. For example, the View of the Château du Marais loop from Angervilliers is a moderate trail suitable for many.

What natural features or landmarks can I see while mountain biking in Saint-Cyr-Sous-Dourdan?

Many trails traverse the beautiful Dourdan National Forest, characterized by diverse tree species and rich flora. You might also encounter picturesque sections along the Ru des Vaux with small stone bridges. For historical sights, the nearby town of Dourdan offers its own Château de Dourdan, and other routes pass by landmarks like the Old Route of the Limours Aérotrain.

Are there family-friendly mountain bike trails around Saint-Cyr-Sous-Dourdan?

Yes, with approximately 70 easy trails available, there are options suitable for families looking for a less strenuous ride. These trails often feature smoother paths within the Dourdan National Forest, providing a pleasant experience for all ages. Look for routes marked as 'easy' on komoot for suitable options.

Are dogs allowed on the mountain bike trails in Saint-Cyr-Sous-Dourdan?

Generally, dogs are welcome on trails within the Dourdan National Forest, provided they are kept under control, especially around wildlife and other trail users. It's always a good idea to check local signage for any specific restrictions on individual paths.

When is the best time of year to go mountain biking in Saint-Cyr-Sous-Dourdan?

Spring and autumn are often ideal, offering pleasant temperatures and beautiful forest scenery. Spring brings blooming flora, while autumn showcases vibrant foliage. Summer can be enjoyable, especially in the shaded forest sections, but be mindful of warmer temperatures. Winter riding is possible, but trails may be muddy or icy.

What do other mountain bikers enjoy most about the trails in Saint-Cyr-Sous-Dourdan?

The trails are highly rated by the komoot community, with an average score of 4.6 stars from over 500 reviews. Riders frequently praise the varied forest paths, the mix of technical challenges and fast descents, and the overall natural beauty of the Dourdan National Forest. Many appreciate the options available for different ability levels.

Are there any long-distance mountain bike routes available?

Yes, there are several longer routes for those seeking an extended ride. For instance, the Grillon Trail – Fishing pond loop from Sermaise covers over 51 kilometers, and the challenging Remarkable oak – Route aux Cerfs loop from Rochefort-en-Yvelines extends for more than 66 kilometers through dense forest.

Can I find circular mountain bike routes in the area?

Absolutely. Many of the mountain bike trails around Saint-Cyr-Sous-Dourdan are designed as loops, allowing you to start and finish at the same point. Examples include the Golden Pond – Aérotrain Bertin Bridge loop from Saint-Cyr-sous-Dourdan and the Medieval town of Dourdan – Fishing pond loop from Sermaise.

What historical sites are near the mountain biking area?

Beyond the trails, the region offers several historical attractions. The town of Dourdan, a former royal town, features the impressive Château de Dourdan. Other notable sites include Breteuil Castle and the Saint-Sulpice Church of Saint-Sulpice-de-Favières, offering a blend of outdoor activity and cultural exploration.

How many mountain bike trails are there in Saint-Cyr-Sous-Dourdan?

There are over 290 mountain bike trails available around Saint-Cyr-Sous-Dourdan, offering a wide variety of routes for different preferences and skill levels.

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