4.5
(214)
920
riders
51
rides
Mountain biking around Cergy offers a diverse landscape characterized by the meandering Oise River and its banks, the extensive Étangs de Cergy-Neuville, and proximity to the Vexin Français Natural Park. The region features modest altitude variations, providing a mix of flat riverside paths and gently rolling terrain suitable for various skill levels. Dedicated facilities like the Leisure Island of Cergy complement the natural environment, making it a hub for outdoor activities.
Last updated: June 22, 2026
4.4
(40)
150
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.2
(11)
40
riders
36.9km
02:26
240m
240m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.6
(8)
22
riders
41.9km
03:11
500m
500m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.6
(5)
41
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.5
(6)
22
riders
40.1km
03:00
410m
410m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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Very pleasant route - more challenging route on the Aubergenville
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The railway bridge that overlooks the tracks and its graffiti... the essential passage between two parts of the forest
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we sneak in, making ourselves very small
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so nice in the morning with the mist on the water
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So a very steep climb over the rocks, which ends with steep drops. Good luck!
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Is it allowed to cross? Not sure... I did, I was looked at and greeted. But not blocked. However, it's not easy to get out on the other side, the exit is closed. It's possible to go through a small door.
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The mountain bike trails around Cergy offer a diverse landscape. You'll find paths along the meandering Oise River and its banks, routes around the extensive Étangs de Cergy-Neuville, and trails near the Vexin Français Natural Park. The region features modest altitude variations, providing a mix of relatively flat riverside paths and gently rolling terrain.
Yes, Cergy offers several easy mountain bike trails perfect for beginners or those looking for a relaxed ride. For instance, the 24H MTB Circuit Cergy loop from Éragny-sur-Oise is an easy 4.3-mile (6.9 km) path that provides a straightforward ride through the local area. Overall, there are about 10 easy routes available.
The trails in Cergy cater to various skill levels. You'll find a good selection of easy routes, ideal for families or casual riders. The majority of trails, about 35 of them, are classified as moderate, offering a good challenge for riders with some experience. There are also a couple of more difficult routes for advanced mountain bikers seeking a greater test.
Yes, many of the mountain bike trails in Cergy are designed as loops, allowing you to start and end at the same point. Examples include the popular Oise Riverbanks – Axe Majeur footbridge loop from Cergy - Saint-Christophe and the Axe Majeur footbridge – Oise Riverbanks loop from Cergy-le-Haut, both offering scenic circular rides.
Many trails incorporate the scenic Oise Riverbanks and the Étangs de Cergy-Neuville. You can also pass by the distinctive Axe Majeur, a monumental outdoor artwork. For those interested in historical sites, some routes might bring you close to castles like Villette Castle or Château de Théméricourt, or lakes such as Corra Pond.
The spring and autumn months generally offer the most pleasant conditions for mountain biking in Cergy, with mild temperatures and vibrant natural scenery. Summer can also be enjoyable, especially along the shaded riverbanks and around the lakes. While winter riding is possible, be prepared for cooler temperatures and potentially muddy conditions on some trails.
Absolutely. The region's modest altitude variations and the presence of easy-rated trails make it suitable for family outings. The paths around the Étangs de Cergy-Neuville and some sections of the Oise Riverbanks are generally flat and well-suited for families with children. Look for routes marked as 'easy' for the most family-friendly experience.
Many outdoor areas in Cergy, including paths along the Oise River and around the Étangs de Cergy-Neuville, are generally dog-friendly. However, it's always best to keep your dog on a leash, especially in more populated areas or near wildlife, and to check for any specific local regulations or signage on individual trails or within the Vexin Français Natural Park.
Cergy is well-equipped with infrastructure for outdoor activities. The Leisure Island of Cergy (Base de Loisirs de Cergy-Neuville) offers ample parking, and many trailheads are accessible by public transport, particularly from Cergy-Préfecture or Cergy-Saint-Christophe train stations, which connect to Paris. This makes it convenient to reach the starting points of various routes.
The mountain bike trails around Cergy are highly rated by the komoot community, with an average score of 4.6 stars from over 140 reviews. Riders often praise the diverse landscape, which combines scenic riverbanks, tranquil lakes, and proximity to natural parks. The variety of routes catering to different skill levels is also frequently highlighted as a major positive.
Trail durations vary significantly based on distance and difficulty. Easy routes, like the 24H MTB Circuit Cergy loop from Éragny-sur-Oise, can be completed in about 30 minutes. Moderate trails, such as the Oise Riverbanks – Saint-Germain-en-Laye Forest loop from Cergy Préfecture (48 km), might take around 3 hours, while longer moderate routes like La Villette Castle – Le Moulin de Théméricourt loop from Cergy-le-Haut (42.5 km) can extend to over 3 hours.
Given Cergy's blend of urban energy and green spaces, you'll find various amenities. The Leisure Island of Cergy (Base de Loisirs de Cergy-Neuville) often has food options, and the towns and villages along the Oise Riverbanks or near the Vexin Français Natural Park will offer cafes, restaurants, and shops where you can refuel during or after your ride.


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