Best lakes in Monts D'Ardèche are found within a region known for its diverse landscapes, volcanic sites, and rich natural heritage. The Monts d'Ardèche Regional Nature Park features both volcanic lakes and artificial reservoirs. These bodies of water offer a variety of activities and natural settings. The area provides opportunities for outdoor exploration and relaxation.
Last updated: July 1, 2026
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Popular around Monts D'Ardèche
Hexatrek – The Cévennes to the Pyrenees between gorges and limestone plateau
Grande Traversée de l'Ardèche (GTA) – Mountain biking
Ardèche Cévennes Divide – Bikepacking on a gravel bike
The trails of Ardèche — on the train tracks by bike
Hills, gorges, and forests – Grande Traversée de la Haute-Loire by MTB
Beyond the mountains – the Rhône to the Ardèche
Road cycling tours along the Ardèche
The Drôme to the Ardèche – explore the borders of the Rhône
Between the volcanoes of France - Tour des Volcans du Velay (GR 40)
In the footsteps of Modestine — the Stevenson Trail (GR 70)
Very nice private domain, which is easily accessible for walkers. You can stay there quietly for a while, there is a relaxation area. There is a beautiful pond and a beautiful view! Access to this domain is with a gate, which you have to close again after your passage
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Collanges Lake is a 48-hectare artificial lake (which also serves as a water control dam for the Eyrieux Valley). Swimming is prohibited, but fishing is permitted (category 2). For swimming, you can visit the Eyrium aquatic center, with its 1,650 m² nestled in unspoiled nature, a large swimming pool, beaches, and games.
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You have access to the dam by this road. The work itself is really impressive, especially when water is released from it.
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The small swimming lake in the village of Retourtour is there thanks to the minimal damming of the Doux river. Even a small pebble / sand beach was created - the perfect spot to refresh yourself during a bike tour. Nearby you can also admire the ruins of an old castle, which are now completely overgrown with plants.
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The Monts d'Ardèche region features a mix of natural volcanic lakes, like the stunning Lac d'Issarlès, and artificial reservoirs such as Lac Saint-Martial and Lac de Devesset. This diversity offers varied landscapes and activities, from deep crater lakes to expansive bodies of water with extensive recreational facilities.
Yes, several lakes are excellent for swimming and water sports. Lac d'Issarlès offers clear waters for swimming, pedal boating, canoeing, and stand-up paddling. Lac Saint-Martial and Lac Coucouron also have supervised swimming areas and offer various water activities. Lac de Devesset is particularly recommended for water sports like sailing, pedal boating, and canoeing.
For families, Lac Saint-Martial and Lac Coucouron are great choices, both featuring equipped sandy beaches, supervised swimming in summer, and playgrounds. Lac aux Ramiers is also ideal for families with small children due to its manageable size, shallow water, and amenities like a bar-restaurant, children's games, and an accessible walking trail.
Many lakes offer pleasant walking and hiking opportunities. Lac d'Issarlès has a 4-kilometer trail circling the lake, with more ambitious hikes like the Sentier des Sucs nearby. Lac de Devesset features a 10-kilometer nature trail, and Lac du Ternay has a shaded 4-kilometer 'Chemin de Ronde' path. You can find more hiking options in the region by checking out the Waterfall hikes in Monts D'Ardèche guide.
Yes, fishing is a popular activity in many lakes. Lac d'Issarlès is known for brown trout, rainbow trout, Arctic char, and salmon. Lac des Collanges, Lac Coucouron, Lac de Devesset, and Lac du Ternay also permit fishing, with various species like carp, pike, and perch available. Always check local regulations for specific lakes.
The Monts d'Ardèche region is rich in natural features. Lac d'Issarlès is a volcanic crater lake, offering unique geological insights. Lac de Devesset is part of a Natura 2000 zone, making it excellent for observing diverse flora and fauna, including Eurasian beavers. The area around Lac Saint-Martial provides stunning panoramas of Mont Mézenc and Mont Gerbier de Jonc.
Yes, several lakes are well-equipped. Lac Saint-Martial offers picnic tables, benches, barbecues, and a playground. Lac Coucouron has picnic areas, a playground, a snack bar, and refreshment stands. Lac aux Ramiers features a bar-restaurant (open in summer), picnic tables, and children's games. Lac de Devesset also provides shaded picnic areas.
The Monts d'Ardèche region offers excellent cycling routes that can be combined with lake visits. For example, the Cycling in Monts D'Ardèche guide highlights routes like the Dolce Via, which offers scenic rides through the landscape. While not directly around every lake, many routes pass through the wider park area, providing access to these natural attractions.
While summer is popular for swimming, some lakes offer unique winter experiences. Lac d'Issarlès can freeze in winter, becoming a natural ice rink, and its surrounding trails are used for cross-country skiing and snowshoeing. Lac du Ternay's shaded path is also suitable for tranquil winter walks, offering a peaceful escape.
The Sénéchas Dam is an impressive man-made monument in the Monts d'Ardèche. It's accessible by road, and visitors can observe the structure, especially when water is released. While it's a significant landmark, it's primarily a viewpoint and not a lake for recreational activities like swimming.
Absolutely. Lac du Ternay, with its shaded 4-kilometer path lined with Cedars of Lebanon and sequoias, offers a tranquil environment for relaxation, even though swimming is prohibited. Le Pré aux Sources – Rest Area and Pond is a private domain with a beautiful pond and relaxation area, easily accessible for walkers seeking peace and quiet.
This viewpoint offers scenic outlooks over the small village of Pied-de-Borne and a small reservoir formed by the Chassezac River. It's a great spot to appreciate the natural beauty of the area and the interplay of water and landscape, though it's more about the view than direct lake access for activities.


Still not found your perfect lake in Monts D'Ardèche? Check out the guides of these regions to see even more beautiful places.