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France
Brittany
Saint-Brieuc

Lac De Bosmeleac

The best walks and hikes around Lac De Bosmeleac

4.5

(44)

240

hikers

11

hikes

Hiking trails around Lac De Bosmeleac are situated in the Côtes-d'Armor region of Brittany, centered around a 72-hectare artificial lake formed by the Bosméléac dam. The landscape features shaded banks, the historical dam structure, and the Rigole d'Hilvern, a former artificial waterway now serving as a greenway. The area offers diverse natural features, including the Oust river valleys and vital wintering grounds for water birds.

Best hiking trails around Lac De Bosmeleac

  • The most popular hiking route is Lake Oak loop from Lac de Bosméléac, an easy 3.1 miles (5.1 km) trail that takes about 1 hour 20 minutes to complete. This route offers an accessible walk encircling a section of the lake.
  • Another top favourite among local hikers is Lake Oak – Barrage loop from Lac de Bosméléac, an easy 4.5 miles (7.3 km) path. This trail provides a longer option, incorporating views of the lake and the historical dam.
  • Local hikers also love the Barrage – Lake Oak loop from Questinguy, a 6.7 miles (10.8 km) trail leading through varied terrain including sections near the dam and lake, often completed in about 2 hours 50 minutes.
  • Hiking around Lac De Bosmeleac is defined by the artificial lake, the historical Bosméléac Dam, and the Rigole d'Hilvern greenway. The network offers options for different ability levels, from easy strolls to moderate circuits.
  • The routes in Lac De Bosmeleac are highly rated by the komoot community with an average score of 4.5 stars from over 40 reviews. More than 200 hikers have used komoot to explore Lac De Bosmeleac's varied terrain.

Last updated: July 4, 2026

4.4

(19)

123

hikers

#1.

Bosméléac Dam – Barrage loop from Lac de Bosméléac

5.28km

01:23

40m

40m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

4.8

(6)

15

hikers

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

5.0

(4)

13

hikers

10.8km

02:56

160m

160m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Popular around Lac De Bosmeleac

Cycling around Lac De Bosmeleac

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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!

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Yoyo
February 10, 2025, Barrage

Very nice walk around this lake.

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michael monchaud
August 11, 2022, Barrage

Nice corner, good part on a road not too busy, possibility to cut and go around the lake

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0

nice easy

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Frequently Asked Questions

How many hiking trails are there around Lac De Bosmeleac?

There are over 10 hiking trails around Lac De Bosmeleac, offering a variety of experiences for outdoor enthusiasts. These routes are highly rated by the komoot community, with an average score of 4.5 stars from over 40 reviews.

Are there easy hiking options suitable for beginners or families?

Yes, Lac De Bosmeleac offers several easy hiking trails perfect for beginners or families. For example, the Lake Oak loop from Lac de Bosméléac is an easy 3.1-mile (5.1 km) walk that takes about 1 hour 20 minutes to complete, encircling a scenic section of the lake.

What kind of natural features and landmarks can I expect to see on the trails?

Hikers can explore diverse natural features including the 72-hectare artificial lake with its picturesque, shaded banks. You'll also encounter the historical Bosméléac Dam, an impressive 19th-century structure. The area also features the Rigole d'Hilvern, a former artificial waterway now a greenway, offering a unique historical and natural landscape.

Are there any longer or more challenging hikes available?

For those seeking a longer option, the Barrage – Lake Oak loop from Questinguy is a moderate 6.7-mile (10.8 km) trail. This route leads through varied terrain, including sections near the dam and lake, and typically takes around 2 hours 50 minutes to complete.

Can I find circular hiking routes around Lac De Bosmeleac?

Yes, many of the trails around Lac De Bosmeleac are circular, allowing you to start and end at the same point. The Lake Oak – Barrage loop from Lac de Bosméléac is an easy 4.5-mile (7.3 km) circular path that offers views of both the lake and the historical dam.

Is the area suitable for dog-friendly hikes?

The natural environment around Lac De Bosmeleac, with its shaded banks and varied trails, is generally welcoming for dogs. Always ensure your dog is on a leash, especially near wildlife areas, and be mindful of other hikers.

What is the best time of year to go hiking in Lac De Bosmeleac?

Lac De Bosmeleac is enjoyable for hiking throughout much of the year. The shaded banks offer respite during warmer months, while the changing seasons bring different scenic beauty. The western section of the lake, known as "Queue du Lac," is particularly vital for water birds during winter, offering unique birdwatching opportunities.

Are there opportunities for birdwatching while hiking?

Yes, the western section of Lac De Bosmeleac, specifically the "Queue du Lac," is a significant wintering and nesting ground for various water birds. Hikers can often spot species like great crested grebes and coots, making it an excellent spot for birdwatching.

Where can I park when visiting the hiking trails?

While specific parking locations are not detailed for every route, the area around Lac De Bosmeleac, encompassing communes like Allineuc and Merléac, generally provides accessible points for visitors. Many trailheads, especially those starting directly from the lake, will have designated parking areas.

What other activities can be done around Lac De Bosmeleac besides hiking?

Beyond hiking, Lac De Bosmeleac is a popular spot for fishing. During the summer months, the lake also offers various water sports, making it a versatile destination for outdoor recreation.

Are there any hikes that explore the Rigole d'Hilvern?

Yes, the Rigole d'Hilvern, a historic artificial waterway, is now a "voie verte" (greenway) that can be explored on foot. While not a specific komoot route in this guide, its 65-kilometer path provides an excellent opportunity to discover inland Brittany and its 19th-century engineering marvels.

What do other hikers enjoy most about the trails in Lac De Bosmeleac?

The trails in Lac De Bosmeleac are highly rated by the komoot community, with an average score of 4.5 stars. Hikers often praise the accessible terrain, the picturesque views of the lake and its shaded banks, and the blend of natural beauty with historical landmarks like the Bosméléac Dam.

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