4.5
(79)
255
riders
39
rides
Gravel biking around Bullion offers a network of no traffic routes, primarily in a region characterized by mixed terrain suitable for both asphalt and gravel riding. The area features a variety of paths, including those near historical structures like viaducts and through rural landscapes. These routes often connect small towns and natural areas, providing diverse cycling experiences. The topography includes gentle ascents and descents, making it accessible for different fitness levels.
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.
4.7
(6)
17
riders
51.0km
03:08
550m
550m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.

4.6
(7)
17
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
4.0
(2)
9
riders
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
4.3
(3)
7
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
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Popular around Bullion
Pretty building at Bordes which forms the entrance to the castle.
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It's OK on mountain bikes, some hot sections on gravel
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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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Beautiful greenway. We need lots of them like this!
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very nice gravel descent from Boullay-les-Troux to St Rémy
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The Bullion area offers a great selection of traffic-free gravel bike routes, with 30 distinct tours available. This includes a mix of easy, moderate, and difficult options to suit various skill levels.
You'll find a good range of difficulties among the traffic-free gravel routes. There are 2 easy routes, 14 moderate routes, and 14 difficult routes. This variety ensures that both beginners and experienced riders can find suitable challenges.
Yes, there are options suitable for families looking for quiet gravel rides. While many routes require good fitness, some of the easier trails are perfect for a relaxed outing. For example, you could explore parts of the Greenway of the Pays de Limours – Janvry Fountain loop from Briis-sous-Forges, which offers a relatively flat and scenic experience.
The Bullion region is known for its diverse terrain, making it ideal for gravel biking. You can expect a mix of asphalt and gravel paths, winding through forests, open fields, and charming villages. This varied landscape ensures an engaging ride for both experts and beginners.
Absolutely! Many of the no-traffic gravel routes around Bullion are designed as loops, allowing you to start and finish at the same point. A great example is the Viaduc de la Prédécelle – Fauvettes Viaduct loop from Limours, which offers a scenic circular journey.
For experienced riders seeking a longer challenge, the Bullion area has several demanding routes. The Fauvettes Viaduct – Château des Bordes loop from Saint-Rémy-lès-Chevreuse is a significant ride, covering over 50 km with substantial elevation gain, perfect for a full day out.
The Bullion region is enjoyable for gravel biking throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery with changing foliage. Summer can also be great, especially on routes that provide good tree cover. Winter rides are possible, but be mindful of colder temperatures and potential muddy sections.
While the routes focus on traffic-free sections, many pass near or through small towns and villages where you can find local cafes, bakeries, or shops to refuel. Planning your route with komoot allows you to see points of interest and potential stops along the way.
Riding through the quiet, natural landscapes of Bullion offers opportunities for wildlife spotting. Keep an eye out for local birds, deer, and other small forest animals, especially during quieter times of the day like early morning or late afternoon.
The no-traffic gravel trails in Bullion are highly regarded by the komoot community, with an average rating of 4.6 out of 5 stars from 76 reviews. Riders often praise the peacefulness of the routes, the beautiful natural surroundings, and the excellent mix of terrain for gravel bikes.
Yes, the Bullion area is rich in history and features several notable landmarks. You can explore magnificent structures like the Dampierre-en-Yvelines Castle or the charming La Madeleine Castle. Many routes will take you close to these historical gems, offering a cultural dimension to your ride.
Beginners will find a couple of easier, shorter routes perfect for getting started with gravel biking without traffic. These trails typically have less elevation gain and are designed to be more accessible, allowing you to enjoy the scenery at a comfortable pace.


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