4.2
(150)
995
riders
130
rides
Mountain bike trails in Réserve Naturelle Du Marais De Lavours traverse a unique landscape characterized by continental marshes, humid meadows, and reed beds, situated at the foot of the Grand Colombier massif and bordering the Rhône river. The terrain offers relatively gentle elevation changes, making it accessible for a range of cyclists. This area, a transition zone between the Jura and the Alps, features varied natural environments suitable for exploring on two wheels.
Last updated: May 15, 2026
50
riders
36.7km
03:18
1,320m
1,320m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
13
riders
93.8km
09:10
2,560m
2,560m
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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4.8
(5)
19
riders
24.7km
01:24
70m
70m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
21
riders
103km
06:16
400m
400m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(1)
14
riders
51.9km
04:31
1,510m
1,510m
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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Popular around Réserve Naturelle Du Marais De Lavours
Beautiful historic bridge, also called the bridge of the "black virgin".
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Very beautiful route that will delight you
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in Seyssel follow the via Rhône-Alpes
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Chapel at the foot of the cliff with fresh water source (non-consumable)
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Great atmosphere in this charming little village.
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The Thurignin Gorges are a canyon in France carved by the Séran River, near the hamlet of Thurignin in the commune of Belmont-Luthézieu. https://fr.wikipedia.org/wiki/Gorges_de_Thurignin
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Located near Artemare, the Cerveyrieu waterfall is impressive with its wide curtain of water cascading down from a limestone cliff. This site, classified as a "sensitive natural area," is ideal for a break.
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There are over 120 mountain bike trails in the Réserve Naturelle Du Marais De Lavours region. These routes cater to various skill levels, with approximately 30 easy, 70 moderate, and 25 difficult trails to explore.
The terrain around Réserve Naturelle Du Marais De Lavours is characterized by unique wetland ecosystems, the Rhône riverbanks, and gentle hills. You'll find a mix of humid meadows, reed beds, and mixed forests. While the marsh itself features accessible wooden pathways, the surrounding cycling routes offer relatively gentle elevation changes, making them suitable for a range of cyclists looking for scenic rides through varied landscapes.
Yes, there are several easy mountain bike trails. For a relaxed ride, consider the Chanaz – Culoz loop from Culoz-Béon, which is an 18.5 km (11.5 miles) trail with minimal elevation gain, following the Rhône river. Another accessible option is the Viewpoint – The Fierloz Trail loop from Ceyzérieu, covering about 19 km (12 miles) with moderate elevation.
While mountain biking around the reserve, you can experience the unique wetland ecosystems of the Marais de Lavours, which include humid meadows, reed beds, and peat bogs. The area is fed by numerous pure water resurgences and is a transition zone between the Jura and the Alps. You might also encounter the Rhône river and enjoy views towards the Grand Colombier massif. The Sentier sur pilotis (Wooden Pathway on Stilts) within the reserve offers an immersive experience into the marsh's heart, though cycling is not permitted on this specific pathway.
The best time to visit for cycling is generally from spring to autumn (April to October) when the weather is mild and the natural beauty of the marsh is in full bloom. During these months, the Maison du Marais also hosts events. The reserve's unique environment, with its diverse flora and fauna, is particularly vibrant during these seasons. Always check local weather conditions before heading out.
No, dogs are generally not permitted within the Réserve Naturelle du Marais de Lavours itself, including on the wooden pathways, to protect the delicate ecosystem and wildlife. When cycling on trails in the surrounding areas, it's always best to check specific local regulations for each route regarding pets.
Yes, many of the mountain bike routes in the region are designed as loops. For example, the Lake Chavolay – Lake Barterand loop from Ceyzérieu is a popular 42.8 km (26.6 miles) circular trail that takes you through varied terrain around two scenic lakes. Another option is the Château d'Aignoz loop from Lavours, an easy 19.4 km (12 miles) route.
Parking is typically available in the villages surrounding the reserve, such as Ceyzérieu, Culoz, or Lavours, which serve as common starting points for many cycling routes. Specific parking information can often be found on the komoot tour pages for individual routes or through local tourism offices like Bugey Sud Tourisme.
The mountain bike trails in Réserve Naturelle Du Marais De Lavours are highly rated by the komoot community, with an average score of 4.2 stars from over 170 reviews. Reviewers often praise the diverse landscapes, the peaceful atmosphere, and the accessibility of routes for various skill levels, from gentle riverside paths to more challenging climbs offering panoramic views.
Yes, experienced riders looking for a challenge can tackle routes with significant elevation gain. The Grand colombier – View of the Anglefort Valley loop from Culoz is a difficult 36.2 km (22.5 miles) path that features over 1000 meters of elevation gain, offering panoramic views towards the Anglefort Valley and testing your endurance.
While direct public transport to the immediate trailheads within the reserve might be limited, you can often reach nearby towns like Culoz or Ceyzérieu by regional train or bus services. From these points, you might need to cycle a short distance to access the trail network. It's advisable to check local transport schedules and routes in advance for the most up-to-date information.


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