3.9
(11)
97
riders
12
rides
Gravel biking in Forêt Des Quatre Piliers offers varied terrain across a vast forest ecosystem spanning over 1100 hectares. The region features sandy trails typical of pine forests, alongside paths through diverse tree species including oaks, beeches, and birches. Riders encounter gentle elevation changes and passages through undergrowth, providing a mix of open and shaded sections. Ponds and small streams add to the natural character of the routes.
Last updated: July 17, 2026
3.0
(1)
11
riders
48.6km
03:25
440m
440m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
3.5
(2)
6
riders
34.8km
02:19
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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8
riders
42.6km
03:27
480m
480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
41.6km
02:41
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
2
riders
40.6km
03:00
390m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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A rarity, cycle paths in the forest. Very, very few roots crossing it. Often, there is a parallel path for mountain bikers.
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Beautiful castle with a beautiful forest nearby 😉
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Pleasant in spring when the plants are awakening :)
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Nice spot when the weather is nice for a bike ride or a nice hike!
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a pretty little village not to be missed in the Yvelines: you wouldn't think you were in the suburbs of Paris!
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great race which alternates between dirt roads, small tarmac paths in the forest and around ponds
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The Forêt Des Quatre Piliers offers a diverse mix of terrain ideal for gravel biking. You'll find sandy trails characteristic of pine forests, alongside paths winding through varied tree species like oaks, beeches, and birches. Many routes include 'passages en sous-bois' (undergrowth passages), providing welcome shade. While some sections can be humid after rain, the trails are generally robust and engaging.
Yes, the region offers a good selection of routes for various skill levels. While there are no routes specifically classified as 'easy' in our current selection, there are 11 moderate routes that beginners with some cycling experience can enjoy. These routes offer a great way to experience the forest without overly challenging technical sections.
For those looking for a longer ride, the Forêt Des Quatre Piliers has several options. One of the more challenging routes is the Route des Deux Chateaux – Hollande Pond loop from Orgerus - Béhoust, which covers approximately 48.6 km. Another substantial option is the Rompu Pond – Ponts Quentin Stream loop from Orgerus, spanning about 43.1 km.
The forest is rich in natural beauty and historical elements. Many routes will take you past tranquil water features like the Étang de la Pimardière, Étang de Saint-Cucufa, and other small streams. You might also encounter historical points of interest such as old forest crosses, farmhouses, ancient washhouses, and dovecotes, adding a cultural dimension to your ride. The forest itself is a diverse ecosystem with a mix of oaks, pines, beeches, and birches.
Yes, many of the gravel bike routes in Forêt Des Quatre Piliers are designed as loops, allowing you to start and end at the same point. Examples include the Fortified Farm of la Troche – Chateau de Bourdonné loop from Bazainville and the Anne of Brittany Tower – Hollande Pond loop from Garancières - La Queue, both offering scenic circular journeys.
Dry conditions are generally ideal for gravel biking in Forêt Des Quatre Piliers, as some sandy trails can become humid during wet periods. Spring and autumn offer pleasant temperatures and beautiful scenery, with the forest showcasing vibrant displays of heather and ferns in warmer months. Even in winter, the diverse tree cover provides a picturesque backdrop, though you should be prepared for potentially wetter conditions.
The gravel bike routes in Forêt Des Quatre Piliers are highly rated by the komoot community, with an average score of 3.9 stars from over 10 reviews. Riders frequently praise the varied terrain, the peaceful atmosphere of the vast forest, and the mix of open and shaded sections. The presence of scenic ponds and historical elements along the way also adds to the enjoyment.
Absolutely. The region is dotted with historical elements that some gravel routes incorporate. For instance, the Fortified Farm of la Troche – Chateau de Bourdonné loop from Bazainville passes by a fortified farm and a chateau. Another route, the Route des Deux Chateaux – Hollande Pond loop from Orgerus - Béhoust, explores the area around two chateaux, offering a glimpse into the local heritage.
There are 15 gravel bike trails currently available in Forêt Des Quatre Piliers, ranging in difficulty from moderate to difficult. This network provides ample opportunities for exploration across the forest's diverse landscapes.
While there are no routes specifically designated as 'easy' for very young children, the 11 moderate routes could be suitable for families with older children who have some experience with gravel biking. These trails offer gentle elevation changes and a mix of surfaces, providing an enjoyable outdoor experience for active families.
The Forêt Des Quatre Piliers is a vibrant ecosystem. While specific wildlife sightings are never guaranteed, the diverse forest environment, with its mix of tree species and water features, supports various local fauna. Keep an eye out for birds, small mammals, and other forest creatures that thrive in this natural habitat.
Yes, a significant portion of the gravel bike routes in Forêt Des Quatre Piliers includes 'passages en sous-bois' (undergrowth passages). These sections offer welcome shade, which can be particularly pleasant during warmer months, providing a cooler and more comfortable riding experience.


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