4.1
(14)
71
riders
23
rides
Gravel biking around Loulle offers diverse terrain characterized by its numerous lakes, dense forests, and rolling hills. The region features a network of trails that often follow lakeside paths and old railway lines, providing varied surfaces for gravel bikes. Riders can expect a mix of ascents and descents, with some routes featuring significant elevation gains. This landscape provides a suitable environment for exploring on gravel bikes, combining natural beauty with engaging riding conditions.
Last updated: July 3, 2026
4.7
(6)
29
riders
44.5km
02:41
660m
660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
12
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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9
riders
107km
07:18
1,510m
1,510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
9
riders
13.7km
00:52
130m
130m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5
riders
19.6km
01:31
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Very nice outing early in the morning
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Cool passage, definitely take a lamp.
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An imposing lake, of a remarkable blue!
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/!\ Crossing prohibited /!\
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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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waterfalls don't always flow
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The Loulle region offers diverse terrain, characterized by numerous lakes, dense forests, and rolling hills. You'll find a network of trails that often follow lakeside paths and old railway lines, providing varied surfaces. Riders can expect a mix of ascents and descents, with some routes featuring significant elevation gains.
Yes, Loulle offers a few easier routes perfect for beginners. For instance, the Grand Maclu Lake – Shore of Lac de Narlay loop from Le Frasnois is an easy 10.6 km trail with moderate elevation gain, ideal for those starting out or looking for a relaxed ride.
Loulle has several challenging routes for experienced gravel bikers. Many of the 17 difficult routes feature significant elevation changes and longer distances. For example, the The ghost tunnel! – Shore of Lac de Narlay loop from La Chaux-des-Crotenay is a difficult 37.7 km path with over 620 meters of ascent, navigating varied terrain including a notable 'ghost tunnel' section.
Yes, many of the gravel bike routes around Loulle are designed as loops, allowing you to start and finish at the same point. Examples include the popular View of Lac de Narlay – Shore of Lac de Narlay loop from Fontenu and the PLM cycle path – View of Lac de Chalain loop from Marigny.
The region is generally enjoyable for gravel biking from spring through autumn. Spring brings lush greenery, while autumn offers beautiful foliage. Summers are pleasant, especially around the lakes. Winter can be challenging due to snow and ice, particularly on higher elevation trails and forest paths.
Absolutely! The Loulle region is rich in natural beauty. Many routes offer extensive views of lakes like Lac de Narlay and Lac de Chalain. You can also find stunning waterfalls nearby, such as Le Grand Saut or The Hérisson Waterfalls, and impressive geological features like the Langouette Gorges.
While specific cafes directly on every trail are not guaranteed, Loulle and the surrounding villages offer various options for refreshments. It's advisable to check local listings for cafes and restaurants in towns like Fontenu, La Chaux-des-Crotenay, or Marigny, which are common starting points or pass-through locations for many routes.
The gravel biking routes in Loulle are highly rated by the komoot community, with an average score of 4.4 stars from over 25 reviews. Riders often praise the pristine lakes, extensive forest paths, and the varied elevation changes that provide engaging riding conditions.
While most routes listed are day trips, the extensive network of trails and quiet roads in the Jura region, where Loulle is located, allows for linking multiple routes to create longer, multi-day adventures. You can combine several loops or connect to other regional trails to extend your journey.
Many of the popular trailheads in Loulle and surrounding villages like Fontenu, La Chaux-des-Crotenay, and Marigny offer designated parking areas. It's generally recommended to arrive early, especially during peak season, to secure a spot. Always check local signage for any parking restrictions or fees.
The Loulle region is known for its numerous lakes. While specific designated wild swimming spots on gravel routes are not explicitly marked, many trails follow the shorelines of lakes like Lac de Narlay and Lac de Chalain, where you might find accessible areas for a refreshing dip, especially during warmer months. Always be mindful of local regulations and safety.
There are over 30 gravel bike trails available around Loulle, catering to various skill levels. This includes 2 easy routes, 12 moderate routes, and 17 difficult routes, ensuring options for everyone from beginners to advanced riders.


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