Best lakes around Ontex are centered around Lac du Bourget, the largest natural lake located entirely within France. Nestled at the southernmost end of the Jura Mountains in the Savoie department, the lake serves as a significant natural and recreational hub. Formed approximately 19,000 years ago, it is France's deepest lake, with a dramatic backdrop of steep mountains. The area offers diverse natural landscapes and cultural sites.
Last updated: May 17, 2026
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Tour of the lake via the Col du Chat, very beautiful with very beautiful views.
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Entrance to the main beach, the spots directly on the bike path are nicer.
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Beautiful lake, beautiful views.
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Nice little road by the lake, great views.
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Course with 9% slopes. Very beautiful landscapes
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The primary focus is Lake Bourget, the largest natural lake entirely within France. It offers extensive recreational opportunities and scenic beauty. Additionally, you can visit Lake Lit au Roi, a tranquil spot perfect for picnics, and various smaller side-arm lakes and associated beaches.
Lac du Bourget is France's deepest lake, formed during the last ice age, and is nestled dramatically between the Jura and Bauges Mountains. It's a UNESCO biosphere reserve known for its stunning turquoise waters, diverse water sports, and rich natural and cultural heritage. Its beauty has inspired poets, and it's surrounded by historical sites and vibrant towns.
The lake is ideal for water enthusiasts, with summer temperatures reaching up to 28°C. You can enjoy swimming, boating, sailing, water skiing, wakeboarding, paddleboarding, kayaking, and diving. There are also numerous beaches, such as Aix-les-Bains Beach, offering various amenities.
Yes, the surrounding mountains provide ample hiking opportunities for all levels, including routes that are part of the Way of Saint James. You can find trails with panoramic views, such as those leading to the Mont du Chat lookout. For more detailed routes, explore the MTB Trails around Ontex guide, which also features hiking-friendly paths.
The area offers diverse cycling experiences. You can find a cycle path along Lake Bourget leading to Aix-les-Bains and Bourget-du-Lac. For more challenging rides, explore the Road Cycling Routes around Ontex guide or the Gravel biking around Ontex guide, which feature routes like the Savière Canal loop.
Absolutely. Many beaches, like Aix-les-Bains Beach, offer facilities and swimming areas suitable for families. Lake Lit au Roi is also an excellent place for a family picnic. The area around Lavours Dam provides easy walks and scenic views that are enjoyable for all ages.
For breathtaking panoramic views, visit 'The Ontex viewpoint overlooking Hautecombe Abbey' or La Chambotte lookout point. Mont du Chat lookout also offers an incredible vista, and Le Revard features an overhanging glass walkway for a unique perspective of the landscape.
The lake and its reed beds are important natural reserves, serving as a migratory passage for various bird species, especially at the Aigrettes Observatory. The lake itself is home to over 30 fish species, including lavaret and arctic char, making fishing a popular activity. The surrounding mountains also offer diverse flora and fauna.
Yes, the region is rich in history. You can explore the majestic Hautecombe Abbey, which serves as the necropolis of the Counts of Savoy. The town of Aix-les-Bains is known for its thermal baths and Belle Époque architecture. Additionally, the village of Chanaz, nicknamed the 'Venice of Savoy,' is located along the Savières canal, linking the lake to the Rhône River.
The summer months are particularly popular, with water temperatures in Lac du Bourget reaching up to 28°C, making it ideal for swimming and water sports. The surrounding trails are also accessible and enjoyable during spring and autumn, offering pleasant hiking conditions and vibrant seasonal colors.
Yes, Lac du Bourget offers numerous beaches for swimming. Popular options include Bourget-du-Lac Beach, Plage de Conjux, and Plage de Châtillon. Aix-les-Bains Beach is also a well-equipped spot with facilities and a panoramic view of the lake.
Lake Lit au Roi, bordering Massigneu-de-Rives, is known as an excellent place to stop, picnic, and enjoy the lakeside, especially during the summer. It's often described as a beautiful side arm of the Rhône Lateral Canal, featuring many swans.
The Mont du Chat lookout is a challenging summit offering a spectacular view of Lac du Bourget. The ascent is steep, with an average 10% grade for 12km from Le Bourget-du-Lac, but the panoramic reward at the top is well worth the effort.


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