Lac de Nantua

General data

Name: Lac de Nantua
Water system: Rhone
Water type: Natural lake
Progression: Bras du Lac -> Oignin -> Ain -> Rhone -> Mediterranean Sea -> Atlantic Ocean -> Planet Earth
Climates: Mountain
Continents: Europe
Countries: France

Lac de Nantua is a beautiful natural glacial lake located in the Jura Mountains of eastern France, right next to the town of Nantua in the Ain department. Formed during the last Ice Age, the lake sits at about 475 meters above sea level and reaches depths of more than 40 meters, making it one of the deeper natural lakes in the region despite its modest size. The lake drains through a short outlet into the Oignin River, which then flows into the Ain River. From there, its waters continue into the Rhône River and finally reach the Mediterranean Sea, meaning Lac de Nantua belongs to the greater Rhône basin system. For anglers, Lac de Nantua is a well-known local fishing spot with a classic mix of alpine and Jura lake species. The clear, deep water provides good habitat for predators such as pike and perch, while other common species include roach and various whitefish-type fish typical of this region. Fishing is especially rewarding along the lake’s edges and deeper drop-offs, where predators patrol for smaller baitfish. With its dramatic mountain backdrop and easy access from the town, Lac de Nantua offers both scenic fishing and a strong connection to the Rhône river network.

Lac de Nantua

General data

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