4.3
(786)
4,751
riders
136
rides
No traffic touring cycling routes around Boissy-L'Aillerie are situated at the gateway to the Vexin Français Regional Natural Park, an area characterized by a limestone plateau, river valleys, and extensive wooded areas. The region features orchards, limestone hills, meadows, and forests, providing varied terrain for cycling. The Viosne River defines much of the rural landscape, offering pleasant riverside routes. From certain elevations, views of the Seine Valley are also present.
Last updated: July 18, 2026
4.6
(19)
63
riders
73.8km
04:44
530m
530m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
40
riders
94.2km
06:08
720m
720m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(5)
46
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.6
(9)
38
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.3
(9)
47
riders
17.5km
01:11
110m
110m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Boissy-L'Aillerie
Not easy to ride with pedestrians and vehicules all around.
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The V16 road bike route, from Paris to Dieppe or Beauvais, is dotted with pleasant natural landscapes.
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At the bend in the path, the entrance to Port Cergy appears, surprising...
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a path in perfect condition to enjoy the climb.
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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 pleasant leisure center for a relaxing break with many possible activities
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very pleasant gravel section
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There are over 140 dedicated no-traffic touring cycling routes around Boissy-L'Aillerie, offering a wide range of options for all skill levels. These routes allow you to explore the beautiful Vexin Français Regional Natural Park without vehicle interference.
The routes primarily traverse the diverse landscapes of the Vexin Français Regional Natural Park, characterized by a limestone plateau, river valleys, and extensive wooded areas. You'll encounter a mix of orchards, limestone hills, meadows, and forests, with some routes following the Viosne River or offering views of the Seine Valley. While many routes are designed for touring, expect varied surfaces from well-maintained paths to some unpaved segments.
Yes, the region offers several family-friendly routes through the vast spaces of the French Vexin. These routes are generally easier and well-suited for enjoyable rides with children. An example of an easy route is the Cergy-Pontoise Ponds – Axe Majeur Footbridge loop from Cergy-le-Haut, which is 17.7 km long.
Many routes pass by significant points of interest. You can cycle through historical villages like Auvers-sur-Oise, known for its Impressionist connections, or past sites such as the Château de La Roche-Guyon. Natural highlights include the Viosne River valley and various viewpoints offering expansive vistas of the Vexin. Specific highlights you might encounter include the Orangery Garden of the Château de Menucourt, Château de Grouchy and its ponds, or the View of the Vexin.
Yes, many of the no-traffic touring routes are designed as loops, allowing you to start and end at the same point. For example, the Moulin de Théméricourt – Château de Théméricourt loop from Cergy-le-Haut is a moderate 46.5 km route, perfect for a day trip.
Boissy-L'Aillerie and surrounding towns within the Vexin Français Regional Natural Park are generally accessible by public transport, primarily regional trains (Transilien) from Paris. Many routes start near train stations, making it convenient to bring your bike. Check local transport schedules for specific connections to your chosen starting point.
Most towns and villages within the Vexin Français Regional Natural Park, including those near popular route starting points, offer public parking facilities. Look for designated parking areas in towns like Cergy-le-Haut or Osny, which are common starting points for many touring routes.
The mild weather from spring through early autumn is ideal for touring cycling in the region. Spring brings vibrant natural beauty, especially in the Viosne valley, while summer offers pleasant conditions for longer rides. Autumn provides beautiful foliage. Winter cycling is possible but may require more preparation due to colder temperatures and potentially wet conditions.
Generally, no specific permits are required for cycling on public paths and designated cycling routes within the Vexin Français Regional Natural Park. However, always respect private property signs and adhere to local regulations, especially concerning protected natural areas.
The area is highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the region's quiet, traffic-free paths, the picturesque landscapes of the Vexin Français Regional Natural Park, and the blend of natural beauty with historical sites like Auvers-sur-Oise. The well-established cycling network and variety of routes are also frequently highlighted.
Yes, the villages and towns scattered throughout the Vexin Français Regional Natural Park offer various cafes, bakeries, and small restaurants where you can stop for refreshments. Planning your route to pass through these villages will ensure you have opportunities for breaks and to experience local charm.
For experienced cyclists seeking a longer challenge, routes like the Axe Majeur Footbridge – Château de Théméricourt loop from Cergy-le-Haut offer a substantial ride of over 74 km with significant elevation gain. Another challenging option is the Château de Théméricourt – Guiry Castle loop from Cergy - Saint-Christophe, which covers over 61 km.


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