Top 6 Lakes around Frossay
Best lakes around Frossay include a mix of artificial bodies of water and natural reserves. Frossay, a rural commune, features the Canal Maritime de la Basse-Loire and the protected Réserve de l'île du Massereau and Réserve du Migron, offering diverse aquatic and countryside attractions. These areas provide opportunities for water activities, cycling, and birdwatching, contributing to the region's natural appeal. The region's waterways and wetlands are significant for both recreation and biodiversity.
Best lakes around Frossay
- The most popular lakes…
Last updated: July 5, 2026
Mabille Valley Lake
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The Blue Hole
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Lac de Savenay
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Access to the leisure center is free. The activities offered here are: picnic on the bank, play areas for the youngest, fishing.
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Chéméré Pond
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Les Grandes Perrières
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The paths and trails are well maintained, mainly for mountain biking and gravel.
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Tips from the Community
This lake is otherwise called the Mabille valley lake. It is an artificial lake. Access to the leisure center is free. The activities offered here are: picnic on the bank, play areas for the youngest, fishing.
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The “Blue Hole” brings together three old granite quarries, at a place called “La Garenne”, on the road to Donges. They were formerly located on the banks of the Loire. They filled naturally with water after their operation ended in 1980. Its name is due to the blue color of the water.
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Former limestone quarry now transformed into a protected natural area with a pond in the northern part and a wetland in the southern part. Important birdlife. The paths and trails are well maintained, mainly for mountain biking and gravel.
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The Lac de la Vallée Mabille is an ideal place to run. The tracks are impeccable thanks in particular to the GR3 which runs along its banks.
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Lac de la Vallée Mabille, more commonly known as Lac de Savenay, is a beautiful body of water located at the eastern entrance to the town of Savenay. Artificial, the lake hosts many activities on its shores: a swimming pool, a campsite, a leisure park, a golf course and a hotel-restaurant. Very famous among the locals, this little green setting is also a delight for long-distance hikers. Indeed, the iconic GR 3 meanders along its banks.
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Quiet and cycle park, crossed by the La Blanche river, which forms a pond here. Picnic tables, toilets. Perfect for a short break
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Three old granite quarries, abandoned in 1980, which naturally filled with water to form beautiful blue ponds, popular with fishermen. Many of the cobblestones of Nantes and Nazaire streets come from this place.
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Frequently Asked Questions
What kind of natural features can I explore around Frossay?
Frossay is characterized by its unique aquatic environments, including the historic Canal Maritime de la Basse-Loire and the protected Réserve de l'île du Massereau and Réserve du Migron. These areas feature extensive reed beds, willow groves, mudflats, and meadows, providing a rich habitat for diverse wildlife.
Are there good spots for birdwatching in Frossay?
Yes, the Réserve de l'île du Massereau and Réserve du Migron are excellent for birdwatching. These wetlands are crucial for numerous bird species, serving as important sites for wintering, breeding, and migratory passerines. You might spot birds like the garganey, corncrake, and white storks.
Can I do water sports in Frossay?
The Canal Maritime de la Basse-Loire is a popular spot for various water activities. Depending on the season, visitors can enjoy rowing, canoeing, kayaking, paddle-boating, and pedal-boating.
Are there fishing spots near Frossay's lakes?
Yes, fishing is a popular activity. The Canal Maritime de la Basse-Loire is known for carp fishing, particularly in areas like Le Migron. Additionally, The Blue Hole, formed from old granite quarries, and Lac de Savenay also attract fishermen.
Are there hiking trails near the lakes around Frossay?
Absolutely. The GR 3 route meanders along the banks of Mabille Valley Lake, offering excellent running and walking opportunities. For more options, you can explore various trails listed in the Hiking around Frossay guide, including routes near the Canal and natural reserves.
What cycling routes are available near Frossay's aquatic areas?
The 'Loire à Vélo' cycling route runs alongside the Canal Maritime de la Basse-Loire, offering picturesque views. You can also find various mountain biking trails in the area, detailed in the MTB Trails around Frossay guide.
Are there family-friendly lakes or activities in Frossay?
Yes, Lac de Savenay (also known as Mabille Valley Lake) offers a free-access leisure center with picnic areas and play zones for children. Chéméré Pond also provides a quiet spot with picnic tables, suitable for families.
What is the best time of year to visit Frossay's lakes and natural areas?
The spring and autumn months are ideal for birdwatching in the reserves, as they are crucial periods for migratory birds. Summer offers pleasant weather for water activities on the Canal and enjoying the leisure facilities at Lac de Savenay. The 'Loire à Vélo' cycling route is enjoyable from spring through early autumn.
What historical significance does the Canal Maritime de la Basse-Loire hold?
The Canal Maritime de la Basse-Loire, also known as the Canal de la Martinière, was constructed between 1882 and 1892. It was vital for allowing boats to reach Nantes when the Loire River became too silty. Today, its locks stand as an exceptional piece of technical heritage, regulating water levels in the surrounding marshes.
Are there any less crowded or quieter spots to enjoy nature around Frossay?
For a quieter experience, the protected Réserve de l'île du Massereau and Réserve du Migron offer serene environments perfect for nature observation away from more active leisure areas. Chéméré Pond is also noted for its quiet atmosphere.
Can I go running near the lakes in Frossay?
Yes, Mabille Valley Lake is an ideal place for running, with well-maintained tracks, including sections of the GR 3. You can find more running options in the Running Trails around Frossay guide.
What makes The Blue Hole unique?
The Blue Hole is a nature reserve featuring three old granite quarries that naturally filled with water after being abandoned in 1980. Its name comes from the distinct blue color of the water, making it a visually striking and popular spot for fishermen.
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