4.4
(1702)
12,186
riders
227
rides
No traffic touring cycling routes in Forêt Domaniale de Port-Royal offer a diverse landscape for cyclists. The forest spans approximately 700 hectares, characterized by the Plateau de Trappes to the west and the Vallée de la Mérantaise to the east. This topography provides a mix of flat sections and areas with noticeable elevation changes, sculpted by ancient millstone extractions and stream valleys. Cyclists can navigate through dense woods, explore stream valleys, and traverse plateaus, experiencing both wooded and open spaces.
…Last updated: August 16, 2026
3.9
(13)
101
riders
27.3km
02:24
150m
150m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
14
riders
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.

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5.0
(2)
11
riders
Hard bike ride. Great for any fitness level. You may need to push your bike for some segments of this route.
8
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
13
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Forêt Domaniale De Port-Royal
Memorial dedicated to a British Lancaster bomber that fell over the town of Montigny-le-Bretonneux: on the night of June 7-8, 1944, this Lancaster, number ND765 of Squadron 622, was shot down by flak during a raid on Évreux. The aircraft crashed between the Manet district and the Plan de l'Eglise, and the 7-man crew were killed instantly. They are now buried in the Viroflay cemetery.
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easy, paved path restricted to car traffic. Didn't see any cars during my visit.
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This is why the feudal lords built this castle here. This viewpoint gives us a panorama of the entire valley.
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Here we think we are in a medieval film. Sir! A Saracen!
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right next to Manet's farm. The only pass in Ile de France
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Magnificent vestige that can be seen from afar when arriving at Chevreuse.
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Me September 17th soci available
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Nice walk. Free entry to the courtyard even on weekends.
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There are over 200 dedicated no-traffic touring cycling routes in Forêt Domaniale De Port-Royal, offering a wide range of options for all skill levels. You'll find 94 easy routes, 44 moderate routes, and 90 difficult routes to explore.
The terrain in Forêt Domaniale De Port-Royal is quite varied. You'll encounter both flat sections, particularly on the Plateau de Trappes, and areas with noticeable elevation changes, especially in the Vallée de la Mérantaise. Routes often wind through dense woods, stream valleys, and open spaces, providing a diverse cycling experience. The forest's history of ancient millstone extractions also contributes to its unique topography.
Yes, Forêt Domaniale De Port-Royal offers many family-friendly options. With 94 easy routes available, you can find gentle paths suitable for all ages. For example, the Gravel Path Between the Ponds – Route Forestière de la Garenne loop from Montigny-le-Bretonneux is an easy 7.6 km route with minimal elevation, perfect for a relaxed family outing.
The forest is rich in both natural beauty and historical sites. You can visit the ruins of the historic Abbey of Port-Royal-des-Champs, which holds significant heritage. Other notable points include the Manet Pass and various scenic trails like the Singletrack in the Port-Royal State Forest. The area also features diverse flora and fauna, including wetland areas within the Rhodon and Mérantaise valleys.
Forêt Domaniale De Port-Royal offers beautiful cycling experiences year-round. Spring brings blooming wildflowers, summer provides a lush green canopy, and autumn showcases vibrant colors. Even winter offers a serene, snow-blanketed landscape. The choice depends on your preference for scenery and weather, but generally, spring to autumn provides the most comfortable conditions for touring.
Yes, many of the no-traffic routes in Forêt Domaniale De Port-Royal are circular, allowing you to start and end at the same point. An example is the moderate Manet Pass – Gravel Path Between the Ponds loop from Montigny-le-Bretonneux, which covers nearly 27.4 km with varied elevation.
The komoot community highly rates the cycling experience in Forêt Domaniale De Port-Royal, with an average score of 4.38 stars from over 1,400 reviews. Cyclists frequently praise the extensive network of well-maintained, traffic-free paths, the diverse landscapes, and the peaceful atmosphere away from busy roads.
Absolutely. For those seeking a greater challenge, there are 90 difficult routes available. A good example of a moderate route with significant elevation is the La Madeleine Castle – La Madeleine Castle loop from Montigny-le-Bretonneux, which spans over 18.4 km with more than 200 meters of ascent.
While specific public transport connections to individual trailheads vary, the region is part of the Parc naturel régional de la Haute Vallée de Chevreuse, which generally has good accessibility from surrounding towns. It's advisable to check local bus or train schedules to Montigny-le-Bretonneux or Trappes, which are common starting points for routes within the forest.
Parking is generally available at various access points around Forêt Domaniale De Port-Royal. Many routes, such as those starting from Montigny-le-Bretonneux, have designated parking areas nearby. Look for parking facilities close to popular trailheads or picnic spots within the forest.
While the forest itself is primarily natural, the surrounding towns and villages within the Parc naturel régional de la Haute Vallée de Chevreuse offer various amenities. You can find cafes and restaurants in nearby communities like Montigny-le-Bretonneux or Trappes, which are often convenient starting or ending points for your rides.


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