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France
Brittany
Saint-Brieuc

Lac De Bosmeleac

The best traffic-free bike rides around Lac De Bosmeleac

5.0

(3)

59

riders

7

rides

Gravel biking around Lac De Bosmeleac offers a network of no traffic gravel bike trails centered around the artificial lake in the Côtes-d'Armor region of Brittany. The landscape is characterized by the 72-hectare lake with its sinuous shape and shaded banks, providing a serene environment. The historic Rigole d'Hilvern, a former artificial waterway, now serves as a greenway with flat, sandy paths, ideal for cycling away from automotive traffic. The area also features the Bosméléac Dam and hints of varied…

Last updated: July 7, 2026

17

riders

#1.

Bosméléac Dam – La Rigole d'Hilvern Greenway loop from Lac de Bosméléac

52.8km

02:52

380m

380m

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Popular around Lac De Bosmeleac

Traffic-free bike rides around Lac De Bosmeleac

Traffic-free bike rides around Lac De Bosmeleac

Tips from the Community

Empas Jean
June 11, 2025, Barrage de Bosméléac

You have to carry the bike to cross the dam, but it's worth the view!

Translated by Google

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It's cute! Worth a look in passing.

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Riding along the Rigole is one of the most beautiful rides I've ever had. It's at least 50km of gentle downhill on a single trail, wooded and therefore shady. I didn't meet any other cyclists and only met five walkers. The corners of my mouth were constantly almost at my ears, absolutely fantastic!

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Very nice place on this route

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The Mur-de-Bretagne is famous for its steep climb during the Tour de France. The pass stretches for 2 kilometers, with gradients reaching 12%, offering a formidable challenge to cyclists.

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Lovely little spot with a stream running past a few benches and a shelter.

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Tasty crepes to reward anyone that’s made it up the hill from the south.

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Only very recently constructed pumptrack with plenty of smooth flowing lines, on any sort of bike.

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Frequently Asked Questions

How many no-traffic gravel bike trails are available around Lac De Bosmeleac?

There are currently 8 traffic-free gravel bike trails listed around Lac De Bosmeleac, offering a variety of distances and experiences. These routes are designed to keep you away from car traffic, providing a serene cycling experience.

What kind of terrain can I expect on these no-traffic gravel trails?

You can expect a mix of terrain, primarily focusing on the greenways and shaded paths around the lake. The Rigole d'Hilvern Greenway, for instance, offers flat, sandy paths ideal for gravel biking. The routes often follow the sinuous banks of the artificial lake and the upper Oust Valley, providing varied landscapes.

Are there family-friendly no-traffic gravel routes around Lac De Bosmeleac?

Yes, the area is well-suited for family cycling. The Rigole d'Hilvern Greenway is particularly noted for its flat, car-free paths, making it an excellent choice for families with children or those seeking an easier ride. Many routes incorporate sections of this historic waterway.

What natural features or landmarks can I see on these traffic-free gravel rides?

You'll encounter several interesting features. The historic Bosméléac Dam and the artificial lake itself are central. The Rigole d'Hilvern Greenway, a former artificial waterway, is a prominent feature. You might also spot the Oust River forming a waterfall after the dam, and the western section of the lake is a vital area for birdwatching, especially for water birds.

When is the best time of year for gravel biking around Lac De Bosmeleac?

The shaded banks around Lac De Bosmeleac offer respite during warmer months, making spring and summer pleasant. However, the area's natural beauty can be enjoyed year-round. The western section of the lake is a significant wintering ground for birds, offering unique birdwatching opportunities during colder seasons.

Are there any circular no-traffic gravel routes available?

Absolutely! Many of the routes are designed as loops. For example, the Bosméléac Dam – La Rigole d'Hilvern Greenway loop offers a substantial circular ride, and the La Rigole d'Hilvern Greenway – Bosméléac Dam loop provides a shorter, yet equally scenic, circular option.

What is the difficulty level of the no-traffic gravel trails?

The trails around Lac De Bosmeleac range from moderate to difficult. While many sections, especially along the Rigole d'Hilvern Greenway, are relatively flat and easy, some routes incorporate more challenging ascents and descents. For instance, the Saint-Gilles Church – Greenway in Mûr-de-Bretagne loop is rated as difficult due to its elevation changes.

Can I rent bikes near Lac De Bosmeleac?

Yes, bike rentals are available in the area, including VTT (mountain bikes) and electric bikes. This makes it convenient for visitors who don't bring their own equipment to enjoy the gravel trails around the lake.

What do other gravel bikers enjoy most about gravel biking in Lac De Bosmeleac?

The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the quiet, traffic-free nature of the trails, the beautiful lake scenery, and the historical context provided by features like the Rigole d'Hilvern and the Bosméléac Dam.

Are there longer no-traffic gravel routes for experienced riders?

Yes, for experienced riders looking for a longer challenge, the Bosméléac Dam – La Rigole d'Hilvern Greenway loop covers over 60 km with moderate elevation, offering an extensive ride through varied landscapes while largely avoiding traffic.

Is there parking available for gravel bikers?

While specific parking locations are not detailed for every route, the popularity of Lac De Bosmeleac as an outdoor destination suggests that parking facilities are available, particularly near key access points to the lake and greenways. It's advisable to check local signage upon arrival.

Most popular routes around Lac De Bosmeleac

Cycling around Lac De Bosmeleac

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