4.3
(77)
431
riders
56
rides
Gravel biking around Boissy-L'Aillerie offers varied terrain within the Vexin Français Regional Natural Park. The landscape features a mix of rural country paths, wooded sections, and cereal fields characteristic of the Vexin plateau. Routes often follow the Viosne Valley and incorporate varied elevations, providing diverse riding experiences. The area combines natural beauty with accessibility, offering a network of trails suitable for different skill levels.
Last updated: May 22, 2026
4.8
(5)
39
riders
36.1km
02:08
120m
120m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.4
(28)
171
riders
73.4km
03:49
240m
240m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
13
riders
45.7km
02:44
370m
370m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(6)
31
riders
40.0km
02:17
160m
160m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
8
riders
71.7km
04:35
660m
660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Very pleasant route - more challenging route on the Aubergenville
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the small bridge which joins Conflans to the forest of Saint Germain en Laye.
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a breathtaking view
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a beautiful, pleasant track
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Please note: if you want to park there to go hiking, the car park is currently only open from 2:00 p.m. on Sundays.
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Simple and beautiful lines for this castle which is found there almost by surprise
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Very quiet, along the quays very often sheltered from the sun in a very pretty cadence
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The terrain around Boissy-L'Aillerie is quite varied, offering a mix of rural country paths, wooded sections, and cereal fields characteristic of the Vexin plateau. You'll find routes that follow the scenic Viosne Valley and incorporate diverse elevations, from gentle climbs to more challenging ascents, especially within the Vexin Français Regional Natural Park.
There are over 60 gravel bike trails documented around Boissy-L'Aillerie on komoot. These routes cater to various skill levels, with 9 easy, 31 moderate, and 20 difficult options, ensuring there's something for every gravel biking enthusiast.
Yes, Boissy-L'Aillerie offers several easy gravel routes perfect for beginners or families. An excellent option is the Oise Riverbanks – Axe Majeur footbridge loop from Cergy Préfecture. This 23 km route features minimal elevation gain, making it a pleasant and accessible ride.
Many routes will take you through the beautiful Vexin Français Regional Natural Park, offering views of its diverse landscapes. You might also encounter the tranquil Étang de Cayennes or ride alongside the Viosne River. For specific natural highlights, consider exploring the Auversian Geological Site or enjoying the View of the Vexin.
Absolutely! The region is rich in history. Some routes incorporate sections of the ancient Roman road, the Chaussée Jules César. You can also find trails that pass near historical castles. For example, the challenging Saint-Cyr Castle loop from Pontoise leads through rural landscapes and past historical sites. Other notable castles in the area include Château de Théméricourt and Moussy Castle.
The varied landscapes of Boissy-L'Aillerie make it suitable for gravel biking throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery. Even in winter, some sections are described as 'très roulante' (very rolling), meaning they are well-suited for riding, especially if you prefer less crowded trails.
Yes, experienced riders will find plenty of challenging options. The Saint-Cyr Castle loop from Pontoise is a demanding 71.2 km ride with over 650 meters of elevation gain, taking you through extensive rural landscapes. Another moderate option is the Chaussée Jules César loop from Cergy-le-Haut, which covers 45.6 km with 360 meters of elevation.
The gravel biking routes in Boissy-L'Aillerie are highly rated by the komoot community, with an average score of 4.5 stars from over 120 reviews. Riders often praise the diverse terrain, the blend of natural beauty within the Vexin Français Regional Natural Park, and the accessibility of routes catering to all skill levels.
Many of the gravel routes around Boissy-L'Aillerie are designed as circular loops, allowing you to start and end at the same point. Examples include the Axe Majeur footbridge – Étang de Cayennes loop from Pontoise and the Axe Majeur footbridge – Viewpoint overlooking the Oise loop from Cergy - Saint-Christophe, providing convenient options for your ride.
While specific cafes on every route aren't detailed, some gravel routes from Boissy-L'Aillerie lead towards destinations like the Brasserie de Théméricourt, offering opportunities for refreshments. Many routes also pass through charming villages where you might find local establishments to stop and refuel.
Boissy-L'Aillerie's location at the gateway to the Cergy-Pontoise conurbation means some routes are accessible from major transport hubs. For instance, routes like the Oise Riverbanks – Axe Majeur footbridge loop start from Cergy Préfecture, which is well-served by public transport, making it convenient to reach the trailheads without a car.
Many of the gravel routes start from towns like Pontoise, Cergy-le-Haut, or Cergy Préfecture, which typically offer public parking facilities. When planning your ride, check the starting point of your chosen route on komoot for specific parking recommendations or nearby public parking areas.


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