4.5
(228)
4,013
riders
171
rides
Road cycling routes around Marnézia traverse the varied landscapes of the Jura region, characterized by its lakes, river valleys, and moderate mountain passes. The terrain offers a mix of ascents and descents, providing diverse challenges for road cyclists. Routes often feature views of natural features such as the Ain River and several lakes, including Lac de Clairvaux-les-Lacs and Lake Vouglans. The area's geography supports both longer endurance rides and shorter, scenic loops.
Last updated: July 15, 2026
4.8
(12)
168
riders
54.2km
02:42
850m
850m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.0
(1)
50
riders
108km
05:10
1,370m
1,370m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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4.0
(3)
38
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.5
(2)
31
riders
51.9km
02:15
460m
460m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
21
riders
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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The Saut de la Saisse is a waterfall in France located in the Jura massif, at the point where the Ain river flows into the Vouglans reservoir at Pont-de-Poitte and Patornay, between Lons-le-Saunier and Clairvaux-les-Lacs. A "marmite du diable", "marmite de géant" or "marmite glaciaire" in Switzerland (or simply "marmite" or "chaudron") is a more or less cylindrical natural cavity carved into the rock by ancient, generally torrential watercourses, carrying pebbles or gravel, which promotes swirling erosion (a phenomenon called "marmitage").
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Very little traffic, really quiet and pleasant road to drive on.
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Climbed it today (17-8-25); it's open, and there are signs along the road showing your progress. Traffic is quiet, and a beautiful green climb, especially further on.
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Classified as 3rd category, the Col de la Joux was crossed during the 8th stage of the 2017 Tour De France!
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Absolute highlight: beautiful long descent through the gorge along the railway line with many viaducts.
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Great view of the Ain, this is where the Lac de Vouglans begins. When the water level is high, the stones are of course not so easy to see.
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Marnézia offers a wide selection of road cycling routes, with over 160 options available. These routes cater to various skill levels, from easier loops to more challenging rides with significant elevation gain.
The road cycling routes around Marnézia traverse the varied landscapes of the Jura region. You can expect a mix of ascents and descents, with routes characterized by lakes, river valleys, and moderate mountain passes. The terrain provides diverse challenges for road cyclists.
Yes, Marnézia has several road cycling routes suitable for beginners. There are 18 easy routes available, offering a gentler introduction to the region's beautiful landscapes. These routes are perfect for those looking for a less strenuous ride.
For experienced cyclists seeking a challenge, Marnézia offers 42 difficult road cycling routes. These routes feature significant elevation gains and more demanding terrain. An example of a moderate route with notable elevation is the Col de Joux — loop from Pont-de-Poitte, which includes an elevation gain of 2,799 feet (853 meters).
Road cycling routes in Marnézia often feature stunning views of natural features. You can expect to see the Ain River and several picturesque lakes, including Lac de Clairvaux-les-Lacs and Lake Vouglans. Routes like the Lac de Clairvaux-les-Lacs – Pyle Bridge loop from Pont-de-Poitte offer continuous views of these beautiful water bodies.
Yes, many of the road cycling routes in Marnézia are designed as circular loops, allowing you to start and end your ride in the same location. Examples include the Col de Joux — loop from Pont-de-Poitte and the View of the Ain at Pont-de-Poitte – Lac de Clairvaux-les-Lacs loop from Lons-le-Saunier.
The road cycling experience in Marnézia is highly rated by the komoot community, with an average score of 4.5 stars from over 190 reviews. Cyclists often praise the scenic lakes, river views, and the variety of routes that cater to different ability levels, from easier loops to more challenging rides with significant elevation gain.
Beyond the natural beauty, you can explore several interesting man-made structures. Highlights include the Tunnel de la Diane (Voie PLM), the Metal Bridge and Tunnel of the Voie PLM, and the Révigny Metal Viaduct. These historical railway structures add a unique element to the landscape.
Marnézia offers several routes suitable for longer rides. For example, the Lac de Clairvaux-les-Lacs – Pyle Bridge loop from Pont-de-Poitte covers 36.9 miles (59.5 km), and the Col de Joux — loop from Pont-de-Poitte is 33.7 miles (54.2 km), providing ample distance for endurance cyclists.
While specific 'family-friendly' designations are not always available, the 18 easy routes in Marnézia are generally suitable for families or those looking for a relaxed ride. These routes typically have less elevation gain and are shorter in duration, making them more accessible for various ages and fitness levels.
Given the region's characteristics with moderate mountain passes and lakes, the spring, summer, and early autumn months typically offer the most favorable weather conditions for road cycling in Marnézia. During these periods, temperatures are generally pleasant, and the landscapes are at their most vibrant.
While specific cafes or pubs directly on every route are not detailed, many routes pass through or near villages and towns where you can find local establishments to stop for refreshments. Planning your route with potential stops in mind is always recommended.


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