Nestling deep in the hills, Lac de Guerlédan stretches its length through the Blavet Valley. Each meander reveals a different facet of its personality. It's the perfect place for family walks and swims, but also the perfect playground for hikers, trail runners and water sports enthusiasts. 

Pontivy Communauté Tourist Office

In the heart of central Brittany, Lac de Guerlédan is the result of the construction of a hydroelectric dam on the river Blavet. The lake was created in 1930, making it the largest artificial lake in Brittany, with a surface area of 304 hectares, a length of 12 kilometres and a depth of 45 metres at the foot of the dam.

What to do around the lake

The area around Lac de Guerlédan continues to grow. With friends or family, there are more and more activities on offer. Here's an overview of what you can do

Looking for accommodation for your next trip?

For more precision, filter by commune and the town of Saint-Aignan.

News from the lake

07 June 09 June 2024

Guerlédan International Tournament

The Guerlédan International Tournament is a football tournament for children aged 12-13. The event brings together more than 2 men's and women's teams from all over the world (FC Porto, Paris Saint-Germain, FC Barcelona, Atletico Madrid, Juventus Turin, etc.). Friday evening, 7 June: tournament opening ceremony with the teams parading...
Free
Bookable online

31 July 10 August 2024

Bon-Repos Sound and Light Show

  • Bon-Repos-sur-Blavet
Every summer, the site of Bon-Repos Abbey becomes the setting for a Son et Lumière show performed by over 350 extras, recognised as one of the best in France. This impressive historical production takes you on a breathtaking and emotionally-charged journey, immersing you in a magical adventure for 2 hours... The story...
23 €

The 29 June 2024

Swimming to Guerlédan

  • Guerlédan
In this admirable setting, on Lake Guerlédan and starting from the Mûr de Bretagne open-air base, the first "Guerlédan à la nage" challenge is taking place, with two main sessions. The Pontivy and Loudéac Lions Clubs are organising the 5th edition of the open water swim on the...

The 15 August 2024

Lake Festival

  • Guerlédan
The open-air Fête du Lac is a great day of entertainment for all, featuring sport, culture, fun and music. On the programme: From 7.30amBrocery, Nordic walking and hikingFrom 11amTowed dinghy, climbing wall, canoeing, kayaking and paddlingAt 2pmMaking toys from natural materials, beach volleyball tournament, petanque competition,...
Free
Bookable online

18 May 19 May 2024

Guerlédan Trail

  • Guerlédan
Every year, the Trail de Guerlédan brings together hundreds of runners from all over France, with several circuits around Lake Guerlédan. During the weekend, there are plenty of activities on offer, including a visit to Bon-Repos Abbey, climbing, kayaking, trampolining, fishing and BMX. The different races are: Les filles des forges 8km -...
Fare according to journey

Near Lac de Guerlédan

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