4.4
(172)
404
riders
43
rides
No traffic gravel bike trails around Briis-Sous-Forges traverse the varied topography of the Chevreuse Valley, offering a mix of ascents and descents. The region features picturesque river paths along the Yvette, marked trails within communal forests like the Bois de Croulard, and elevated structures such as the Fauvettes Viaduct. These routes often include gravel paths characterized by roots and stones through wooded areas, providing engaging terrain for gravel cyclists.
Last updated: November 5, 2026
4.8
(13)
46
riders
31.1km
01:48
250m
250m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
4.8
(16)
53
riders
29.9km
01:45
220m
220m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.

4.5
(4)
17
riders
36.8km
02:07
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
4.7
(6)
13
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
4.8
(4)
11
riders
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
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Popular around Briis-Sous-Forges
Beautiful castle in the village of Janvry
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a portion of the track has been closed since March 31, 2025 (for 1 month)
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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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Great view when you are at the top of the viaduct!
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There are over 35 dedicated no-traffic gravel bike trails around Briis-Sous-Forges. These routes offer a fantastic way to explore the scenic Chevreuse Valley away from cars, with options ranging from moderate to difficult.
While many routes in the area are moderate to difficult, there are a few easier options. For a gentler experience, consider exploring paths along the Yvette Riverside, which offers a tranquil, bucolic setting. Always check the route details on komoot for specific difficulty ratings before heading out.
The no-traffic gravel trails in Briis-Sous-Forges traverse the beautiful Chevreuse Valley, offering a mix of river paths, communal forests like the Bois de Croulard, and picturesque ponds such as Trévoix Pond. You'll encounter varied topography, from gentle riverside stretches to more challenging ascents and descents through wooded areas.
Absolutely! The Fauvettes Viaduct is a significant landmark offering magnificent panoramic views over the valley and is accessible via gravel paths. You might also encounter historical sites like La Madeleine Castle, which provides exceptional vistas, or traditional architecture in the villages you pass through.
Yes, several routes offer longer distances for an extended gravel biking adventure. For example, the Fauvettes Viaduct – Château des Bordes loop from Saint-Rémy-lès-Chevreuse covers over 50 km, providing a substantial ride through varied terrain. Another option is the Viaduc de la Prédécelle – Greenway of the Pays de Limours loop from La Hacquinière, also exceeding 50 km.
Spring and autumn are generally ideal for gravel biking in Briis-Sous-Forges, offering pleasant temperatures and vibrant scenery. The varied terrain, including wooded paths, can be enjoyed year-round, but be mindful of potentially muddy conditions after heavy rain, especially in winter.
Many of the no-traffic gravel trails around Briis-Sous-Forges are designed as circular routes, allowing you to start and end at the same point. Examples include the Montjay Tunnel – Fauvettes Viaduct loop from Orsay-Ville, which offers a great circular experience.
The komoot community highly rates the gravel biking experience in Briis-Sous-Forges, with an average score of 4.39 stars. Riders often praise the quiet, natural environment, the challenging yet rewarding terrain, and the opportunity to explore historical sites and scenic viewpoints away from traffic.
Beyond the general scenic beauty, you can discover unique natural monuments. The area features remarkable trees like The Oak of Petit Launay and The 11 Remarkable Oaks of Méridon Forest. For a more adventurous exploration, consider visiting The Caves of Sermaise.
Yes, the region is dotted with several beautiful lakes and ponds that some routes pass by or are near. Notable spots include Carouge Basin, Beauséjour Lake, and Étang du Moulin Neuf, offering peaceful spots for a break.
Many routes in the Chevreuse Valley naturally blend historical and natural exploration. The paths leading to and around sites like La Madeleine Castle often traverse varied terrain ideal for gravel bikes. You can also find routes that pass through villages with preserved traditional architecture, such as the Saint-Denis church, allowing for a rich cultural experience alongside your ride.


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