4.4
(1012)
6,853
riders
193
rides
Touring cycling around Boullay-Les-Troux offers diverse landscapes at the border of the Hurepoix plateau and the Chevreuse Valley. This region, part of the Parc Naturel Régional de la Haute Vallée de Chevreuse, features a mix of plateaus, valleys, wetlands, and forests. The topography provides varied terrain, from gentle paths to rolling hills, suitable for different cycling preferences. The area is characterized by its preserved natural beauty, with fields and woodlands providing a scenic backdrop for no traffic touring cycling routes.
…Last updated: May 24, 2026
4.7
(3)
16
riders
12.2km
00:50
130m
130m
An easy 7.6-mile (12.2 km) touring cycling loop in the Chevreuse Valley, offering 431 feet (131 metres) of elevation gain.
4.5
(32)
138
riders
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.

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4.8
(13)
40
riders
17.4km
01:09
150m
150m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.6
(15)
38
riders
18.0km
01:18
150m
150m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
51
riders
40.6km
03:43
640m
640m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
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Popular around Boullay-Les-Troux
For more information on this experimental tower, go here: https://www.domainestpaul.fr/histoire-laboratoire-fluides-lvf/
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Unmissable Gravel rides to reach Choisel
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Pretty castle well glimpsed at the heart of a beautiful gravel ride between Choisel and St Rémy
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very nice gravel descent from Boullay-les-Troux to St Rémy
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[In Advent] "we hear in the Gospel the beginning of the ministry of Saint JEAN BAPTIST. He appears in the desert and calls people to conversion so that they may prepare for the coming of the Lord. His call reminds us that Advent is not only a time of waiting, but also of interior preparation. "Prepare the way of the Lord, make straight his paths" (Luke 3:4). John's message challenges us to examine our lives. What "rough paths" and "crooked roads" are there in our hearts? Where have we perhaps distanced ourselves from God or lost sight of our fellow human beings? John invites us to remove these obstacles and reorient our lives. But his call has not only a personal dimension, but also a social one: the way of the Lord is a way of justice, peace and reconciliation. When we pave the way of the Lord, we bring light into the darkness of the world and hope into the hearts of people." (Text: Michael Inden, Diocesan President of the KAB in the Archdiocese of Cologne)
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Beautiful view of the castle and its park. Several single tracks around the estate are perfect for exploring the surrounding woods.
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Me September 17th soci available
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There are over 160 dedicated no-traffic touring cycling routes around Boullay-Les-Troux listed on komoot. These routes offer a diverse range of experiences, from easy loops to more challenging rides, all designed to keep you away from vehicular traffic.
The routes here are special due to Boullay-Les-Troux's unique location at the border of the Hurepoix plateau and the scenic Chevreuse Valley. You'll cycle through the preserved natural beauty of the Parc Naturel Régional de la Haute Vallée de Chevreuse, encountering varied landscapes from tranquil wetlands to rolling hills and dense forests, all while enjoying paths free from cars.
The no-traffic touring cycling routes around Boullay-Les-Troux cater to various skill levels. You'll find a good mix, with 53 easy routes perfect for a relaxed ride, 38 moderate options for those seeking a bit more challenge, and 77 difficult routes for experienced cyclists looking for a workout. For an easy introduction, consider the Veloscenic: Chevreuse Valley Loop.
The terrain around Boullay-Les-Troux is quite varied. While some routes offer gentle stretches, particularly within the Chevreuse Valley, the region also features rolling hills as it borders the Hurepoix plateau. Expect a mix of ascents and descents, providing a diverse and engaging cycling experience without traffic.
Many no-traffic routes will lead you through or near beautiful natural features. You might encounter serene lakes like the Beauséjour Lake or the Étang des Noës. The region is also home to interesting natural monuments such as the Rock Formations Near Maincourt-sur-Yvette and even a charming waterfall at the Petit Moulin in Vaux-de-Cernay.
Yes, the varied topography of the Chevreuse Valley and Hurepoix plateau offers several scenic viewpoints. As you cycle through forests and along plateaus, you'll find elevated spots providing picturesque vistas of the surrounding countryside, charming villages, and historic châteaux. The routes are designed to maximize these natural beauties.
Boullay-Les-Troux and nearby villages within the Parc Naturel Régional de la Haute Vallée de Chevreuse often have designated parking areas suitable for cyclists. Look for public car parks in village centers or near popular trailheads. For routes starting from Saint-Rémy-lès-Chevreuse, there are usually parking options available close to the train station, which is a common starting point for many tours.
Yes, Boullay-Les-Troux is accessible by public transport, and bringing bikes is generally possible. The RER B train line serves nearby towns like Saint-Rémy-lès-Chevreuse, which is a popular hub for cyclists. It's advisable to check the specific public transport operator's rules regarding bikes during peak hours or on weekends, as restrictions may apply.
Spring and autumn are generally considered the best seasons for no-traffic touring cycling in Boullay-Les-Troux. The weather is typically mild, and the natural landscapes are at their most vibrant, with blooming flowers in spring and colorful foliage in autumn. Summer can also be pleasant, especially on shaded forest paths, but be mindful of potential heat.
Absolutely! Many of the 53 easy routes are ideal for families. These often follow quieter paths through forests or along riverbanks, providing a safe and enjoyable experience for all ages. The Veloscenic: Chevreuse Valley Loop is a great example of an easy, family-friendly option.
Many paths within the Parc Naturel Régional de la Haute Vallée de Chevreuse are dog-friendly, especially if your dog is on a leash. However, specific rules can vary depending on the exact trail or protected area. It's always best to keep your dog under control and respect local signage, particularly in areas with wildlife or near private properties.
Yes, a significant number of the no-traffic touring cycling routes around Boullay-Les-Troux are circular, allowing you to start and end your journey at the same point without retracing your steps. This is particularly convenient for day trips. Examples include the Veloscenic: Chevreuse Valley Loop and the Choisel Church – Path in Chevreuse loop from Boullay-les-Troux.
The area is highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the tranquility of the no-traffic routes, the stunning natural beauty of the Chevreuse Valley, and the opportunity to discover charming rural landscapes and historic sites away from the hustle and bustle.


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