4.7
(18)
290
riders
17
rides
Gravel biking around Trenal features routes primarily utilizing former railway lines, tunnels, and viaducts, offering a unique blend of historical infrastructure and natural surroundings. The terrain includes varied elevation changes, with many routes categorized as difficult due to significant climbs. These trails provide opportunities to explore the region's landscape on gravel-friendly surfaces.
Last updated: May 22, 2026
5.0
(1)
30
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(4)
73
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.7
(3)
95
riders
60.5km
04:01
770m
770m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
5.0
(1)
13
riders
91.5km
06:26
1,340m
1,340m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(4)
24
riders
41.8km
02:22
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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A bit of welcome freshness
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Beautiful viewpoint "Roches de Baume" with views from the plateau into the valley and as far as Baume-les-Messieurs.
5
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Beautiful, great, viaduct and tunnel. It's a shame the cycle path isn't asphalted.
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Correction to my tip: Asphalt with mixed traffic, for residents, but I couldn't see where the residents wanted to go. It's a shame, some sections of the asphalt are no longer in such good condition.
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Beautiful views, but unfortunately the railway line cycle path is not asphalted.
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An old railway bridge worth seeing, unfortunately there are stupid rivets on the road and it is slippery when wet.
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With the many tunnels, bridges and some beautiful views, it definitely has the potential to be a beautiful railway cycle path. Most of it is not asphalted, there is light in the tunnels, but the lack of asphalt means that there are very dangerous longitudinal grooves. Later there is a staircase, which is not easy with full luggage and in bad weather. The asphalted sections unfortunately have car traffic, even if only local residents. Conclusion: unfortunately it doesn't come anywhere close to Alpe-Adria.
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As you travel along the PLM Route, you’ll enjoy breathtaking panoramic views of the Vallière Valley. Once a historic railway line, this scenic route now offers a tranquil escape through rolling hills, lush forests and charming villages. From the elevated vantage point, you can admire the meandering river, picturesque vineyards and distant mountains.
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There are nearly 20 gravel bike trails around Trenal, offering a variety of routes for exploration. The komoot community has used these trails over 220 times, indicating their popularity.
Gravel biking in Trenal primarily utilizes former railway lines, tunnels, and viaducts, providing a unique blend of historical infrastructure and natural surroundings. The terrain often includes varied elevation changes and significant climbs, with most routes categorized as difficult. There are also a couple of moderate routes available.
Yes, many of the gravel bike routes in Trenal are designed as loops. For example, the The Old Railway Tunnel – Révigny Metal Viaduct loop from Lons-le-Saunier is a challenging 60.5 km route that takes around 4 hours to complete, featuring significant elevation changes.
The gravel bike trails in Trenal are highly rated by the komoot community, with an average score of 4.6 stars from over 19 reviews. Riders often appreciate the unique experience of traversing historical railway infrastructure like tunnels and viaducts, combined with the region's natural landscapes.
The trails in Trenal offer several interesting sights, often linked to the region's railway history. You can explore the Tunnel de la Diane (Voie PLM), the impressive Révigny Metal Viaduct, and the Metal Bridge and Tunnel of the Voie PLM. For a historical touch, you might also encounter the Statue of Rouget de Lisle.
Yes, for panoramic views, consider visiting the Guillotine Viewpoint, which is one of the notable attractions in the Trenal area. Many routes traverse elevated sections, offering various scenic vistas of the surrounding landscape.
For experienced riders seeking a longer challenge, the The Old Railway Tunnel – Tunnel de la Diane (Voie PLM) loop from Lons-le-Saunier is a substantial option. This difficult route spans over 91 km and involves significant elevation gain, making it a demanding ride.
Gravel trails in Trenal are characterized by varied and often significant elevation changes. Many routes feature substantial climbs and descents, with some difficult trails accumulating over 800 meters of ascent, providing a challenging workout for riders.
While most routes in Trenal are rated as difficult due to significant climbs, there are a couple of moderate options available. These routes still offer the unique experience of riding on former railway lines but with less extreme elevation profiles, making them suitable for riders looking for a slightly less strenuous challenge.
Gravel biking in Trenal stands out due to its extensive use of former railway lines, including numerous tunnels and impressive metal viaducts. This historical infrastructure provides a distinct riding experience, blending natural landscapes with engineering marvels, and offering a unique perspective on the region's past.


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