Lakes around Loyat offer a diverse natural landscape, situated in the region of Brittany. The area is known for its significant inland lakes, including Lac au Duc, which is one of the largest in Brittany. This region provides opportunities for exploring natural monuments and forests, making it a destination for those interested in outdoor activities. The terrain around Loyat features various natural habitats and wetlands.
Last updated: October 9, 2026
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Outside of peak hours, it is very peaceful.
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great place with beautiful colors in autumn
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Created by monks in the 12th century, Lac au Duc is the largest of Brittany's inland lakes. Its 250 hectares extend between Ploërmel, Taupont and Loyat. Measuring approximately 5.5 km by 500-900 m, Lac au Duc is surrounded by a variety of different natural habitats and wetlands. If you look carefully, you might be lucky enough to see otters, frogs or deer.
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It is in the magnificent forest of Brocéliande that the legend of King Arthur takes its source, between moors and ponds. Here is the wonderful world of the fairy Viviane, Merlin the enchanter and the knight Lancelot.
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Nice run around the pond with the opportunity to train on fixed equipment. There is also a playground and a boules court.
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Start of the round trip: small parking in front of the Chapelle du Graal, Tréhorenteuc. Beautiful round trip through Merlin's magic forest, especially for fans of the King Arthur legend. The stone church is decorated with interesting pictures and stained glass windows of the Round Table King Arthur, the Last Supper and the Stations of the Cross, in the motives of Arthusage are incorporated. Paths easily accessible, but you have to divide the way into the valley with no return with a stream, tour therefore recommended in dry seasons. Towards the end, a steep ascent over a kind of rock staircase with a wonderful view over the Feenspiegel awaits you, therefore firm (hiking) footwear is recommended.
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The region around Loyat offers several beautiful natural spots. You can discover the mystical atmosphere of Fairies' Mirror Pond, known for its vibrant autumn colors. Another significant feature is Lac au Duc, the largest inland lake in Brittany, which is rich in diverse natural habitats and wetlands.
Yes, Lac au Duc is considered family-friendly, offering a wide area to explore. Additionally, the Brocéliande Forest, which features lakes and ponds, is also family-friendly and steeped in legend. For active families, the Étang Sports Course, Campénéac provides a run around a pond with fixed training equipment, a playground, and a boules court.
While specific hiking trails around individual lakes are not detailed, the broader area offers various routes. For instance, you can find cycling routes that provide views of Lac au Duc. For more general outdoor activities, explore the cycling guides around Loyat, which include routes like the 'View of Lac au Duc – Duke's Lake loop from Loyat'.
Absolutely. The Brocéliande Forest, which encompasses several ponds, is famously the source of the King Arthur legend, home to tales of the fairy Viviane, Merlin the enchanter, and Sir Lancelot. Lac au Duc itself has historical roots, having been created by monks in the 12th century.
While specific seasonal recommendations for all lakes are not available, Fairies' Mirror Pond is particularly noted for its beautiful colors in autumn, suggesting this could be an ideal time for a visit to experience its unique charm.
Yes, several spots offer scenic views. Fairies' Mirror Pond is a beautiful viewpoint, especially in autumn. Further upstream, the Upper Pond of the Val Sans Retour is described as wilder and offers beautiful views, making it worth the extra walk beyond the Miroir aux Fées.
Yes, the area around Loyat provides mountain biking opportunities. You can find various routes, including those that pass by Lac au Duc. Explore the MTB Trails around Loyat guide for options like the 'Lake au Duc – View of Lac au Duc loop from Néant-sur-Yvel'.
Lac au Duc is surrounded by diverse natural habitats and wetlands. If you observe carefully, you might be fortunate enough to spot otters, frogs, or deer in this area.
While specific easy walking routes directly around all lakes aren't detailed, the Étang Sports Course, Campénéac offers a pleasant run or walk around a pond. For cycling, there are also traffic-free bike rides around Loyat, some of which are easy and pass by Lac au Duc.
The Upper Pond of the Val Sans Retour is often overlooked by visitors who stop at the Miroir aux Fées. However, it is described as wilder and possesses a distinct atmosphere that makes the extended walk worthwhile, offering beautiful views and a more secluded experience.
The Étang Sports Course, Campénéac is a highlight that specifically mentions facilities. It offers fixed training equipment, a playground, and a boules court, making it a good spot for recreation and exercise.


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