Best lakes around Vertamboz are found in the Jura department of France, a region recognized for its numerous lakes and natural landscapes. This area features diverse aquatic environments, including glacial lakes and wetlands, set amidst forests and meadows. The region offers opportunities for exploring natural features and enjoying the outdoors.
Last updated: May 20, 2026
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Lac d'Ilay, also called Lac de la Motte, is a lake in the Jura department of France, about 14 km south of Champagnole in Franche-Comté. It lies at an altitude of 774 m in the municipalities of Le Frasnois and La Chaux-du-Dombief and covers an area of approximately 0.7 km². The lake is 1.9 km long, has a maximum width of 400 m, and has a small island (Île de la Motte). Its greatest depth is 32 m.
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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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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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Very nice on the way back along the south of the lake
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The tour of the lakes is not of much interest, mainly being wide paths, without much relief, and with no view worthy of the name, including on the lakes (which we see very little, except on the eastern part, which is a shame). The western part is even difficult (we follow the road for 2km...). In short, a walk to forget, except perhaps for a running outing, or a detour via the Eagle peak.
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Beautiful view of Lake Chalain (Lac de Chalain)
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It is a natural lake of glacial origin with a wild appearance. This lake will surprise you with its turquoise shores on a clear day and its cliffs in the background. It is otherwise known as Lake Ilay. With an area of 72 hectares and an average depth of ten meters, it is fed mainly by Lake Grand Maclu, to which it is connected by a small natural canal approximately 200 meters long. Possible activities: Hiking (tour of the three lakes/four lakes) and mountain biking (tour of the five lakes), horse riding, holiday activities and entertainment... Swimming is tolerated, under your own responsibility.
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The Jura department, where Vertamboz is located, is renowned for its picturesque lakes. Notable scenic spots include the Chalain Lake Viewpoint, offering stunning views of Lac Chalain, and Lake Ilay, known for its serene setting. The Lacs de Maclu (Grand Maclu and Petit Maclu) are also highly regarded for their wild beauty within a Natura 2000 area.
Yes, several spots provide excellent panoramic views. The Chalain Lake Viewpoint offers a wonderful perspective of Lac Chalain and its surrounding forests. Additionally, the Pyle Bridge, spanning Lake Vouglans, provides clear, spectacular panoramas. The region also features a '4 Lakes panoramic viewpoint' for broader vistas.
The lakes around Vertamboz are set amidst diverse natural environments. You'll find glacial lakes, rich wetlands with water lilies, reeds, and sedges, and extensive forests and meadows. High-altitude lakes like Lac des Rousses are known for their purity, and some areas, such as around Lac Genin, feature unique peatbogs with carnivorous plants like drosera.
Many lakes in the region offer family-friendly options. Lake Ilay and Lake Bonlieu are suitable for walking. The Trail Along the Lakes of Haut-Jura, which passes by Grand Lac Maclu, is an easy forest trail accessible with luggage, featuring idyllic swimming spots. Lac Saint-Point also has a 23-kilometer path around it, perfect for easy walks.
The region offers a variety of outdoor activities. You can enjoy hiking around lakes like Lac de Narlay, which has a charming path through forests and meadows. Water sports and fishing are popular at Lac Saint-Point. For cycling enthusiasts, there are numerous routes, including MTB trails, gravel biking routes, and road cycling routes that pass by various lakes and viewpoints.
Swimming is permitted in some lakes, such as Lac de Narlay, making it ideal for refreshing dips. However, it's important to note that swimming is prohibited in others, like Lake Bonlieu, due to strong currents created by underground rivers. Always check local regulations before entering the water.
The Jura lakes region is beautiful year-round. Spring and summer are ideal for hiking, swimming, and water sports, with lush greenery and pleasant temperatures. Autumn offers stunning foliage, while winter transforms the landscape, with opportunities for ice skating on Lac Saint-Point when conditions allow.
For a quieter experience, consider exploring lakes like Lac de l'Abbaye (also known as Lac de Grandvaux or Lac de Grande-Rivière) or Lac de Lamoura, which is wild and surrounded by fir trees. Lac Genin is also excellent for hikers seeking protected spaces and rich biodiversity away from the main crowds.
The lakes and surrounding wetlands are exceptional habitats for various animal species. The Natura 2000 area around Lacs de Maclu is particularly rich in biodiversity. You can observe typical Jura fauna and flora, especially around the peat bogs of Lac des Rousses and Lac Genin.
Visitors frequently praise the stunning natural beauty and the diverse opportunities for outdoor activities. The panoramic views, serene settings, and the chance to explore unique natural features like glacial lakes and wetlands are highly appreciated. Many enjoy the easy walks and the clear, idyllic swimming spots found along trails like the Trail Along the Lakes of Haut-Jura.
While specific public transport details for each lake can vary, the Jura region is generally accessible. However, for reaching some of the more secluded lakes or trailheads, having a car often provides more flexibility. It's advisable to check local transport schedules for specific destinations.
Yes, the Trail Along the Lakes of Haut-Jura is a great option, offering a beautiful route along three lakes, including Grand Lac Maclu. This trail provides an easy way to experience the interconnectedness and beauty of the region's aquatic landscapes.


Still not found your perfect lake around Vertamboz? Check out the guides of these regions to see even more beautiful places.