Lurking in the hollow of the hills, Lake Guerlédan stretches its entire length into the Blavet Valley. With each meander he presents a different facet of his personality. Suitable for family walks and swimming, it can also be the perfect playground for lovers of hiking, trail running and water activities. 

Pontivy Community Tourist Office

In the heart of central Brittany, Lake Guerlédan results from the construction of a hydroelectric dam, which is located on the Blavet. The lake was created in 1930, making it the largest artificial lake in Brittany, with an area of ​​304 hectares, 12 kilometers long and a depth of 45 meters at the foot of the dam.

What to do around the lake?

The contour of Lake Guerlédan continues to develop. Between friends or family, there are more and more activities. Here's a little preview of what you can do

Are you looking for accommodation for your next stay?

For more precision, filter by municipality and the city of Saint-Aignan.

News at the lake

06 June 08 June 2025

Guerlédan international tournament

2024 Edition The Guerlédan International Tournament is a football tournament reserved for children aged 12-13. This event brings together more than 2 women's and men's teams from all walks of life (FC Porto, Paris Saint-Germain, FC Barcelona, ​​Atletico Madrid, Juventus Turin, etc.). Friday June 7 in the evening: opening ceremony of the tournament with the trimming of the teams…
Free
Book online
31 July 10 August 2024

Sound and Light of Good Rest

Bon-Repos-sur-Blavet
Every summer, the Bon-Repos Abbey site becomes the scene of a Son et Lumière performed by more than 350 extras, and recognized as one of the best in France. This impressive historical production takes you into a breathtaking show, rich in emotions, and immerses you for 2 hours in a magical adventure... The story...
23 €
Le 22 June 2024

Guerlédan swimming

Guerledan
In this admirable site, on Lake Guerlédan and from the Mûr de Bretagne outdoor base, the first “Guerlédan swimming” challenge takes place with two main sessions. The Lions Club of Pontivy and Loudéac are organizing the 6th edition of open water swimming on the…
Price depending on the race
Le 15 August 2024

Lake Festival

Guerledan
Outdoors, the Fête du Lac is a great day of entertainment for everyone where sport, culture, fun activities and music follow one another. On the program: From 7:30 a.m. Flea market, Nordic walking and hiking From 11 a.m. Towed buoy, climbing wall, canoe, kayak and paddle At 14 p.m. Making toys from natural elements, beach volleyball tournament, pétanque competition, etc.
Free
Book online
17 May 18 May 2025

Guerlédan Trail

Guerledan
Every year, the Trail de Guerlédan brings together hundreds of runners from all over France, with several circuits around Lake Guerlédan. During this weekend, many activities are offered: visit to the Bon-Repos Abbey, climbing, kayaking, trampoline, fishing, BMX… 2024 edition The different races: The girls of the forges…
Price depending on the race

Near Lake Guerlédan

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