4.4
(209)
1,786
riders
108
rides
Touring cycling around Lac De Guerledan offers diverse landscapes in the heart of Brittany's Blavet Valley. The region features the 12 km long artificial lake, surrounded by undulating terrain of forests, heathland, and pasture. Cyclists can explore sections of the Nantes-Brest Canal towpaths, known for their gravel surfaces, or venture into the Quénécan Forest. The northern side of the lake provides flatter cycle paths, while the southern part presents more challenging, hilly country lanes.
Last updated: May 21, 2026
4.8
(5)
77
riders
21.0km
01:24
220m
220m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
4.2
(6)
56
riders
22.4km
01:35
320m
320m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
26
riders
20.7km
01:18
80m
80m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
30
riders
28.4km
02:48
630m
630m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
31
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Super hiking trails beautiful area
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Ideal stop for lunch break! Good, inexpensive and incredible "mobylette" decor
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A great detour to Saint Aignan, the Les Pêcheries de Guerlédan restaurant is very welcoming, with bike parking, a generous meal and welcome. Crossing the village, you can reach the canal a little further on via the lock.
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Average but good
1
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No tip, just enjoy this timeless (well not quite but hopefully you get what I mean) scene
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There are over 100 touring cycling routes available around Lac De Guerledan, catering to various skill levels. This includes 23 easy routes, 54 moderate routes, and 30 difficult routes, ensuring options for everyone from beginners to experienced cyclists.
The terrain around Lac De Guerledan is quite varied. The northern side of the lake generally offers flatter cycle paths, ideal for a more relaxed ride. In contrast, the southern part presents more challenging, hilly country lanes. You'll also find sections along the Nantes-Brest Canal with pleasant gravel surfaces, suitable for touring bikes, and the famous Mûr-de-Bretagne climb, known as the 'Breton Alpe d'Huez', which offers a significant challenge.
Yes, Lac De Guerledan offers 23 easy touring cycling routes perfect for beginners or families. These routes often feature flatter sections, particularly on the northern side of the lake and along the canal towpaths, providing a gentle and enjoyable cycling experience.
Absolutely. For experienced cyclists seeking a challenge, there are 30 difficult touring cycling routes. These include the hilly country lanes on the southern side of the lake and the renowned Côte de Mûr-de-Bretagne – Brittany wall loop from Saint-Aignan, which features the demanding Mûr-de-Bretagne climb. Additionally, the 155 km Jean Robic circuit is available for those looking for a longer, more arduous ride.
The region boasts diverse natural beauty. You can cycle through the vast Quénécan Forest, explore the dramatic Le Daoulas Gorge, or experience the wild beauty of the Liscuis Heathlands with its megalithic burial mounds. For superb panoramic views, consider routes passing through Trégnanton or the heights of the Cornec wood. The impressive Guerlédan Dam itself also offers a magnificent perspective of the water.
Yes, several historical and cultural sites are accessible. The Bon-Repos Abbey – Saint-Gelven station loop from Caurel will take you past the 12th-century Cistercian Abbey of Bon-Repos, which now hosts contemporary art exhibitions. You can also explore Les Forges des Salles, an old steel village that preserves original 19th-century buildings. The historic Nantes-Brest Canal, with its locks like the Guerlédan Lock, is also a significant landmark.
Yes, many routes are designed as loops, allowing you to start and finish in the same location. A popular option is the Guerlédan Dam – Landroanec Beach loop from Saint-Aignan, which offers views of the dam and access to the lake's beaches. Another is the View of Beau Rivage loop from Caurel, providing scenic vistas of the lake.
While specific parking locations for each route are not detailed, the region is generally well-equipped for visitors. You can typically find parking near popular starting points for routes, such as villages like Saint-Aignan or Caurel, or near major attractions like the Guerlédan Dam or Bon-Repos Abbey. Look for designated parking areas in these locations.
Public transport options directly to the trailheads around Lac De Guerledan may be limited. It is advisable to check local bus schedules or regional train services to nearby towns like Pontivy or Mûr-de-Bretagne, and then plan your cycling route from there. Bringing your own vehicle or renting one might offer more flexibility for accessing various starting points.
Yes, the Lac De Guerledan area is a popular tourist destination, so you'll find various amenities. Villages and towns around the lake, such as Mûr-de-Bretagne, offer cafes, restaurants, and accommodation options. Beaches like Beau Rivage and Landroannec Cove also have facilities where you can find refreshments and places to relax.
The touring cycling routes around Lac De Guerledan are highly rated by the komoot community, with an average score of 4.6 stars from nearly 300 reviews. Cyclists often praise the diverse landscapes, from the tranquil canal towpaths to the challenging hilly sections, and the opportunity to explore both natural beauty and historical landmarks.
The best time for touring cycling in Lac De Guerledan is generally during the spring (April to June) and autumn (September to October) months. During these periods, the weather is typically mild and pleasant, and the natural scenery is particularly beautiful. Summer can also be enjoyable, but it may be busier with tourists, especially around the lake's beaches and water sports areas.
Yes, Lac De Guerledan is a hub for water activities. You can find beaches like Beau Rivage, Sordan Cove, and Landroannec Cove, which are perfect for bathing, water skiing, canoeing, pedalo, or paddle boarding. Many cycling routes run along the lake's shores, making it easy to combine your ride with a refreshing dip or other water sports.


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