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.
Last updated: July 4, 2026
4.4
(19)
123
hikers
5.28km
01:23
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
11.0km
02:53
90m
90m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Sign up for free
5.0
(6)
29
hikers
10.8km
02:52
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.8
(6)
15
hikers
13.1km
03:29
130m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(4)
13
hikers
10.8km
02:56
160m
160m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
You have to carry the bike to cross the dam, but it's worth the view!
0
0
Nice corner, good part on a road not too busy, possibility to cut and go around the lake
0
0
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.


Browse the best Hikes in other regions.