4.4
(475)
1,986
riders
376
rides
Mountain bike trails Saint-Martin-Du-Tertre are primarily found within the expansive Forest of Carnelle, offering diverse terrain for cyclists. This region features a mix of wide, straight paths and smaller winding trails, with some segments being unpaved. Natural features like the Blue Lake and views of the Oise Valley add to the varied landscape. The area also includes parts of the Montmorency and L'Isle-Adam forests, providing additional green spaces and rolling landscapes.
Last updated: June 29, 2026
4.3
(12)
30
riders
39.3km
02:48
170m
170m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(4)
10
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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3.7
(3)
8
riders
26.9km
01:56
200m
200m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
4.5
(2)
17
riders
32.6km
02:15
140m
140m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
7
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Very small but very cute castle in the middle of the forest
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Tree right in the middle at the bottom of the slope
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Until 15/3/25, don't miss the Val d'Oise Washhouses and Fountains Exhibition at Puiseux-en-France Town Hall, Place Jean Moulin, bringing together 30 photographs by François Vuillemet and discover some of the 250 washhouses and fountains on the Vexin.
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Magnificent place for walking, running at the foot of the hunting castle
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Practical tunnel under the D922 which allows you to stay in nature without crossing paths with cars
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There are over 380 mountain bike routes around Saint-Martin-Du-Tertre. These include a wide range of options, with approximately 110 easy routes, over 250 moderate routes, and 15 challenging trails for experienced riders.
The terrain in Saint-Martin-Du-Tertre is diverse, primarily within the expansive Forest of Carnelle. You'll find a mix of wide, straight paths and smaller winding trails. Some segments are unpaved and can be challenging, while others are mostly paved. The region also features rolling landscapes, including parts of the Montmorency and L'Isle-Adam forests, and scenic views of the Oise Valley.
Yes, Saint-Martin-Du-Tertre offers a good selection of family-friendly mountain bike trails. With over 110 easy routes, you can find paths suitable for various skill levels, including those with less elevation gain and smoother surfaces, particularly within the Forest of Carnelle.
Many trails in the Forest of Carnelle and surrounding areas are suitable for cycling with dogs, provided they are well-behaved and kept under control, especially in nature reserves. Always check local regulations and be mindful of other trail users and wildlife.
While mountain biking, you can encounter several natural and historical landmarks. The picturesque Blue Lake of Carnelle, formed from old gypsum quarries, is a beautiful spot. You might also pass by the Pond and Château de la Chasse, or ride along the Singletrack along the Marais de Stors nature reserve, which offers scenic views along rock faces.
Yes, many mountain bike routes in Saint-Martin-Du-Tertre are designed as loops. For example, the View of the Oise River – Étangs de Toutevoie loop from Viarmes is a popular moderate route offering river views. Another option is the Pond and Château de la Chasse – Tour du Plumet loop from Villaines, which includes significant elevation gain.
The mountain bike trails in Saint-Martin-Du-Tertre are highly rated by the komoot community, with an average score of 4.4 stars from over 475 reviews. Riders often praise the varied terrain within the Forest of Carnelle, the scenic views of the Oise Valley, and the options available for different ability levels.
Yes, for advanced riders seeking a challenge, there are 15 difficult mountain bike routes available. These trails often feature unpaved segments, significant elevation changes, and technical sections, particularly within the varied landscapes of the Forest of Carnelle and areas like the Marais de Stors nature reserve.
Spring and autumn generally offer the most pleasant conditions for mountain biking in Saint-Martin-Du-Tertre, with milder temperatures and beautiful foliage. Summer can also be enjoyable, especially in the shaded forest areas. Be aware that some singletrack paths, particularly in the Marais de Stors, can become muddy in wet conditions.
Yes, some routes incorporate historical points of interest. For instance, the Pond and Château de la Chasse – Tour du Plumet loop from Villaines passes by the Pond and Château de la Chasse. You might also find routes near the ancient Royaumont Abbey or the charming town of L'Isle Adam.
A popular moderate route is the Price Ballade – Gravel track just as you like it loop from Belloy - Saint-Martin. This 30.3 km trail leads through varied terrain and is typically completed in about 2 hours 16 minutes, offering a balanced challenge for intermediate riders.
Yes, some routes feature notable elevation changes. The Pond and Château de la Chasse – Tour du Plumet loop from Villaines, for example, includes over 500 meters of elevation gain, providing a good workout for those looking for climbs.


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