4.2
(285)
1,426
riders
98
rides
Mountain biking around Syam, located in the Jura department of eastern France, offers a diverse landscape characterized by rugged topography, numerous waterfalls, gorges, and lakes. The region features a mix of challenging terrain, including steep descents and winding paths alongside rivers, alongside extensive forests and hilly areas. This environment provides varied mountain bike trails suitable for different skill levels.
Last updated: June 22, 2026
4.6
(38)
218
riders
31.0km
02:23
430m
430m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.4
(14)
57
riders
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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5.0
(2)
24
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.8
(4)
14
riders
28.5km
02:42
590m
590m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
14
riders
50.7km
04:33
920m
920m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Cool passage, definitely take a lamp.
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A former, unlit railway tunnel with a length of 180 meters. A flashlight is extremely helpful here, as there are quite large stones in some places that are invisible in the dark.
7
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Small, rocky stretch of beach that you can climb down to, as well as good views of Lac Le Grand Maclu.
5
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The Bief de la Ruine waterfall is located in the spectacular Malvaux Gorge. One of the most astonishing features of this waterfall is the fact that it only comes alive after heavy rainfall or during snowmelt. When it dries, it gives way to the spectacle of the carved stone, revealing the "Creux des Joyaux," a natural cave where the water swirls with varying degrees of vigor, polishing a multitude of limestone pebbles thanks to the force of its current.
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Lacs de Maclu are two adjacent lakes in the western part of the French Jura, in the Jura department of Franche-Comté. They are located at an elevation of 779 m in a depression in the High Jura, in the region of the Five Lakes near Le Frasnois, about 12 km south of Champagnole. The Petit Maclu, located to the northeast, has an area of 5 hectares, a length of about 500 m, and a maximum width of about 120 m. Its greatest depth is 11 m. It lies entirely within the municipal territory of Le Frasnois.
6
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take a lamp, because you are not lit
1
0
There are over 80 mountain bike trails around Syam, offering a diverse range of options for different skill levels. This includes approximately 15 easy routes, over 50 moderate routes, and more than 20 difficult trails.
The terrain around Syam is characterized by rugged topography, extensive forests, and hilly areas. You can expect a mix of challenging sections with steep descents, winding paths alongside rivers, and trails through meadows and woodlands. The region's dramatic natural landscapes, including numerous waterfalls, gorges, and lakes, provide varied and scenic backdrops for your rides.
Yes, Syam offers several easy mountain bike trails suitable for families. These routes typically feature less elevation gain and smoother paths, allowing for a more relaxed riding experience. While specific family-friendly routes are not detailed here, you can filter for 'easy' trails on komoot to find suitable options.
Many trails in the Syam region are dog-friendly, especially those that pass through forests and open natural areas. However, it's always recommended to keep your dog on a leash, especially near wildlife, livestock, or in more crowded areas. Check specific trail regulations or local signage for any restrictions.
Absolutely. The Syam region is renowned for its impressive water features. Many trails will take you past stunning natural attractions. For example, the La Lemme Trail – Saine River Waterfalls loop from La Chaux-des-Crotenay offers views of waterfalls. You can also find routes that explore the shores of lakes like Lac de Narlay and Grand Maclu Lake, such as the Shore of Lac de Narlay – Grand Maclu Lake loop from Chaux-des-Crotenay. Other notable water features in the area include the Saut Girard Waterfall and the Langouette Gorges.
The mountain bike trails in Syam are highly rated by the komoot community, with an average score of 4.3 stars from over 280 reviews. Riders often praise the diverse landscapes, the unique natural features like tunnels and waterfalls, and the variety of routes available for different skill levels. Over 1,500 mountain bikers have used komoot to explore the region's varied terrain.
Yes, many of the mountain bike trails around Syam are designed as loops, allowing you to start and end your ride in the same location. Examples include the Tunnel de 180 m de long sur la Tramjurasienne editorial name for French users – The ghost tunnel! loop from Chaux-des-Crotenay and the Fortified gate – Syam Forge loop from Crans. These circular routes are convenient for planning your day and often offer varied scenery throughout the ride.
Beyond the natural beauty, you can encounter various points of interest. The region is known for its dramatic geological formations like the Pertes de l'Ain, where the river disappears underground. You might also pass historical landmarks, such as those found on the Fortified gate – Syam Forge loop from Crans. The area also features several beautiful lakes, including Petit Maclu Lake and Lake Ilay, which offer scenic viewpoints like the Three Lakes Viewpoint.
Yes, the Syam region offers unique trail experiences. For instance, the Tunnel de 180 m de long sur la Tramjurasienne editorial name for French users – The ghost tunnel! loop from Chaux-des-Crotenay features a distinctive 180-meter-long tunnel section, providing an memorable element to your ride through the Jura landscape. Another route, The ghost tunnel! loop from Crans, also incorporates this unique feature.
The best time for mountain biking in Syam is typically during the warmer months, from spring through autumn. During these seasons, the weather is generally mild, and the trails are dry and accessible. The region's natural beauty, with its lush forests and flowing waterfalls, is particularly vibrant. Winter can bring snow, making some trails unsuitable for mountain biking, especially at higher elevations.
Yes, Syam offers approximately 15 easy mountain bike trails that are suitable for beginners or those looking for a more relaxed ride. These routes generally have less challenging terrain and elevation changes, allowing riders to enjoy the scenic beauty of the Jura region at a comfortable pace. You can easily find these options by filtering for 'easy' difficulty on komoot.


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