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France
Ile-de-France
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Boissy-Le-Sec

The best MTB trails around Boissy-Le-Sec

4.4

(326)

1,387

riders

184

rides

Mountain biking around Boissy-Le-Sec offers diverse terrain across plateaus and valleys, characterized by contrasting reliefs and varied natural features. The region features extensive forests and woodlands, providing shaded trails and scenic backdrops for rides. Valleys with steep slopes create dynamic challenges, while the geological plateaus of Beauce and Brie contribute to distinct landforms. This rich natural heritage in Essonne provides a compelling environment for mountain bike exploration.

Best mountain bike trails around Boissy-Le-Sec

  • The most popular mountain bike trail is Grillon Trail – Fishing pond loop from Sermaise, a 32.2 miles (51.8 km) trail that takes 4 hours 14 minutes to complete. This moderate route explores the local countryside and fishing ponds.
  • Another top favourite among local mountain bikers is Medieval town of Dourdan – Fishing pond loop from Sermaise, a moderate 31.0 miles (49.9 km) path. This route connects natural landscapes with the historic town of Dourdan.
  • Local mountain bikers also love the Porte des Bourdeaux... – Saint-Yon Church loop from Boissy-le-Sec, a 24.8 miles (39.9 km) trail leading through varied terrain, often completed in about 3 hours 18 minutes.
  • Mountain biking around Boissy-Le-Sec is defined by rolling plateaus, wooded areas, and valleys with steep slopes. The network offers options for different ability levels, from easy rides to more challenging routes.
  • The routes in Boissy-Le-Sec are highly rated by the komoot community with an average score of 4.5 stars from over 300 reviews. More than 1400 mountain bikers have used komoot to explore Boissy-Le-Sec's varied terrain.

Last updated: May 18, 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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Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Hard mountain bike ride. Great for any fitness level. 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

Angélique
October 5, 2025, Cité médiévale de Dourdan

nice but watch out for the cobblestones

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Gates closed. Access impossible.

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very beautiful church

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very beautiful village

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A city worth the detour!

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The whole village is well worth a visit, there is also a very good restaurant.

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The Saint-Sulpice church in Favières, located in a charming village in Essonne, is a jewel of Gothic architecture. Known for its impressive dimensions and elegance, this church is distinguished by its luminous choir and remarkable stained glass windows. Visitors can admire the richness of its historical heritage while enjoying the calm and beauty of the place.

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Impressive village church! Even more beautiful inside. There is even a chapel of miracles. More information on local life: https://eglise3vallees.fr/

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Frequently Asked Questions

How many mountain bike trails are available around Boissy-Le-Sec?

There are over 180 mountain bike trails around Boissy-Le-Sec, offering a wide range of options for different skill levels. The komoot community has explored nearly 1500 of these routes.

What kind of terrain can I expect on mountain bike trails in Boissy-Le-Sec?

The region features diverse terrain, including vast plateaus, valleys with steep slopes, and extensive forests and woodlands. You'll find dynamic landscapes with contrasting reliefs, providing varied challenges and scenic backdrops for your rides.

Are there mountain bike trails suitable for beginners in Boissy-Le-Sec?

Yes, there are 28 easy mountain bike trails around Boissy-Le-Sec. An example of a beginner-friendly route is the Fortified Farm of Châteaupers – Sermaise Washhouse loop from Roinville, which is 21.4 km long.

What do other mountain bikers enjoy most about the trails in Boissy-Le-Sec?

The trails around Boissy-Le-Sec are highly rated by the komoot community, with an average score of 4.5 stars from over 330 reviews. Riders often praise the diverse terrain, from rolling plateaus to wooded areas and challenging valley slopes, as well as the well-established network of routes.

Are there any circular mountain bike routes in the area?

Many of the mountain bike routes around Boissy-Le-Sec are circular. For instance, you could try the Grillon Trail – Fishing pond loop from Sermaise, a moderate 51.8 km route, or the Porte des Bourdeaux... – Saint-Yon Church loop from Boissy-le-Sec, which covers 39.9 km.

What historical landmarks can I see while mountain biking near Boissy-Le-Sec?

You can combine your ride with visits to historical sites. The Medieval town of Dourdan – Fishing pond loop from Sermaise route connects natural landscapes with the historic town of Dourdan. Other nearby castles include Château de Dourdan and Villeconin Castle.

Are there any natural attractions or viewpoints along the mountain bike trails?

Yes, the region boasts an exceptional natural heritage. You might encounter natural monuments like the Preserved Sand Quarry or the Butte du Puits geological site. For scenic views, consider visiting the View of Butte du Puits.

What is the best time of year to go mountain biking in Boissy-Le-Sec?

The extensive forests and woodlands in Essonne provide shaded trails, making mountain biking enjoyable during warmer months. The diverse landscapes are beautiful year-round, but spring and autumn often offer pleasant temperatures and vibrant scenery.

Are there any long-distance mountain bike routes for experienced riders?

Yes, for experienced riders looking for longer distances, routes like the Grillon Trail – Fishing pond loop from Sermaise at 51.8 km or the Medieval town of Dourdan – Fishing pond loop from Sermaise at 49.9 km offer substantial challenges and exploration.

Can I find trails that pass through forests or wooded areas?

Absolutely. A quarter of Essonne's territory consists of natural environments, including extensive forests and woodlands. Many mountain bike trails around Boissy-Le-Sec weave through these wooded areas, providing shaded paths and a beautiful natural setting.

Are there any specific challenges for mountain bikers in this region?

The region's 'contrasting reliefs' mean you'll encounter dynamic terrain, including valleys with 'very steep slopes.' These features provide challenging ascents and descents, adding an exciting element for mountain bikers seeking more technical rides.

Where can I find more information about the natural landscapes of Essonne?

For more details on the diverse landscapes and natural heritage of the Essonne department, you can visit the Essonne Tourisme website: essonnetourisme.com.

Most popular routes around Boissy-Le-Sec

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