4.5
(110)
2,533
riders
25
rides
Road cycling around Lac de Chalain offers diverse terrain within the Jura Mountains of Eastern France. The region is characterized by its large natural lakes, including the turquoise Lac de Chalain, and is surrounded by hills, forests, and limestone features. Cyclists can expect varied elevation changes, from gentle inclines to more significant climbs, as routes often traverse through the verdant countryside and past other notable lakes like Lac de Narlay and Lac de Vouglans. The landscape provides a mix of challenging segments and scenic, less-trafficked roads.
Last updated: May 20, 2026
4.0
(4)
61
riders
44.8km
02:12
540m
530m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
38
riders
72.9km
03:30
910m
910m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(2)
22
riders
41.7km
02:04
520m
520m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
11
riders
99.9km
05:11
1,700m
1,700m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
13
riders
12.9km
00:39
130m
130m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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An imposing lake, of a remarkable blue!
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Magnificent view of the Bief de la Ruine waterfall and a bridge of the former railway line.
7
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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.
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Beautiful view of the lake, and afterward, we had a lovely swim in the lake. Nice bar with delicious ice cream.
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Easy, shaded path, perfect for cooling off in hot weather.
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On most maps it is called "Lac d’Ilay". The other name probably comes from the small island "Île de la Motte" which is located in the lake.
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Narlay Lake, located in the Jura, is a true natural setting surrounded by forests and green hills. This glacial lake, with its clear waters, offers an idyllic setting for a walk or a contemplative break by the water. The paths that surround it allow you to explore its peaceful banks, offering superb views of the Jura mountains and the reflections of the landscape in the lake.
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Beautiful section of balcony road above the Saine.
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The Lac de Chalain region, nestled in the Jura Mountains, offers a diverse road cycling experience. You'll encounter varied terrain with hills, forests, and limestone features. Routes often feature significant elevation changes, from gentle inclines to more challenging climbs, ensuring a mix of scenic, less-trafficked roads and segments that require good fitness.
Yes, the Lac de Chalain area provides options for various fitness levels. While many routes involve elevation, there are easier, well-paved loops available. For instance, komoot lists 3 easy routes and 18 moderate routes, which can be suitable for those looking for less strenuous rides or cycling with family members who are comfortable with some inclines.
For experienced cyclists seeking a challenge, the region offers several difficult routes with significant elevation gains. A notable example is the View of Lac de Narlay – View of Lac de Vouglans loop from Doucier, which covers over 86 miles (138 km) and features nearly 2,000 meters of ascent. Another demanding option is the Pont-du-Navoy – La Saine Gorges loop from Doucier, a 75 km route with over 900 meters of climbing.
Road cycling routes in the Lac de Chalain area are rich with natural beauty. You'll frequently encounter the stunning turquoise waters of Lac de Chalain itself, as well as other beautiful lakes like Lac de Narlay, Petit Maclu Lake, and Lac de Vouglans. Many routes offer breathtaking panoramic viewpoints, such as the 'Four Lakes panoramic viewpoint,' and wind through verdant Jura countryside and dense woodlands. The famous Cascades du Hérisson (Hedgehog waterfalls) are also a prominent natural attraction in the vicinity.
Absolutely. The region is known for its interconnected lakes. A popular route that showcases several bodies of water is the View of Lac de Narlay – View of Lac de Vouglans loop from Doucier, which takes you past multiple lake regions. Another excellent option is the Petit Maclu Lake – Chalain Lake Viewpoint loop from Doucier, offering varied terrain and stunning views of both Petit Maclu Lake and Lac de Chalain.
While specific rental shops are not listed in the guide data, Lac de Chalain is a popular outdoor destination. It is advisable to check with local tourist information centers or search online for bike rental services in nearby towns like Doucier, Marigny, or Fontenu, especially during peak season.
Lac de Chalain is situated in a natural region, and public transport options might be limited, especially for carrying bikes. While direct public transport links from major cities like Dole, Frasne, or Besançon to Lac de Chalain might exist, it's recommended to research specific bus or train services and their bike carriage policies in advance to plan your journey effectively.
Given its popularity as an outdoor destination, you can generally find parking facilities in and around the main villages and access points near Lac de Chalain, such as Doucier, which serves as a common starting point for many routes. Look for designated parking areas, especially near beaches or trailheads, but be aware that these might fill up during busy periods.
The best time for road cycling around Lac de Chalain is typically from spring through early autumn (May to October). During these months, the weather is generally pleasant, and the natural scenery is at its most vibrant. Summer offers warmer temperatures for swimming in the lake after a ride, while spring and autumn provide cooler temperatures and fewer crowds, making for a more serene cycling experience.
Yes, many road cycling routes around Lac de Chalain pass through charming villages such as Doucier, Marigny, and Fontenu. These villages often have cafes, restaurants, and local establishments where you can stop for a refreshing break, grab a meal, or refuel before continuing your ride. It's a great way to experience the local culture and cuisine.
Yes, the Lac de Chalain area is well-suited for circular road cycling routes. Many of the popular tours are designed as loops, allowing you to start and end in the same location. Examples include the View of Lac de Narlay – Lac de Narlay loop from Doucier and the View of Route de Louille loop from Fontenu, which offer convenient round trips.
The road cycling routes in Lac de Chalain are highly rated by the komoot community, with an average score of 4.5 stars from over 29 reviews. Cyclists often praise the breathtaking natural settings, the vibrant turquoise waters of the lakes, and the wonderful viewpoints. The varied terrain, from challenging climbs to scenic, less-trafficked roads, also contributes to a rewarding experience.
There are over 30 road cycling routes available in the Lac de Chalain region, catering to a range of abilities. This includes 3 easy routes, 18 moderate routes, and 15 difficult routes, ensuring there's something for every type of road cyclist.
While road cycling itself is generally dog-friendly if your dog is accustomed to it and you have appropriate gear (like a bike trailer), it's important to consider the specific conditions. The routes are on public roads, and some areas might have traffic. Always ensure your dog's safety and comfort, and be mindful of local regulations regarding dogs in natural areas or villages you pass through.


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