4.7
(42)
169
riders
18
rides
Mountain biking around Etang Du Corong features a landscape characterized by a large lake and its surrounding areas, including connections to the Canal de Nantes à Brest and the Black Mountains. The terrain offers a mix of paths suitable for various skill levels, with routes traversing through wooded sections and open countryside. Elevations are generally moderate, providing a balanced challenge for mountain bikers.
Last updated: June 24, 2026
3.8
(5)
23
riders
42.9km
02:33
250m
250m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.4
(5)
28
riders
48.2km
02:51
250m
250m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(1)
9
riders
49.4km
03:36
500m
500m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
7
riders
63.5km
04:16
620m
620m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
2
riders
29.4km
01:49
220m
220m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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An imposing bridge from the old railway.
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A pretty iron bridge, built for farmers at the time. Here the path along the water was in a bad state in April 2026 (a warning was installed on one side of the section, but a detour through the forest is possible).
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The reconstruction is great! But we left some parts in ruins, which preserves the character of an old building.
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This is one of the very few straight sections of the canal.
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Here the canal meanders through the landscape.
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The trails around Etang Du Corong cater to a range of abilities. There are 5 easy routes, 12 moderate routes, and 1 difficult route, offering options for various skill levels.
Yes, there are several family-friendly options. The region features 5 easy mountain bike routes, which are generally suitable for families. An example is The Glomel Cut – Kerdiston lake loop from Moulin de Keriou, an easy 18.2-mile (29.3 km) path.
Trail lengths vary, with many popular routes ranging from 18 to 30 miles (29 to 48 km). For instance, Canal de Nantes à Brest – Black Mountains loop from Glomel is 26.7 miles (42.9 km) and typically takes around 2 hours 33 minutes, while The Glomel Cut – Kerdiston lake loop from Glomel is 29.9 miles (48.2 km) and takes about 2 hours 51 minutes.
Many of the mountain bike trails in the area are designed as loops, allowing you to start and finish in the same location. Examples include Kerdiston lake – The Glomel Cut loop from Glomel, a 29.6-mile (47.6 km) route, and The Glomel Cut – Kerdiston lake loop from Quéhélen, which is 19.5 miles (31.4 km).
The region's moderate elevations and varied terrain make it suitable for mountain biking through much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, while summer provides longer daylight hours. Always check local weather conditions before heading out.
The terrain around Etang Du Corong is characterized by a mix of paths traversing wooded sections and open countryside. You'll encounter routes along canals, around lakes, and through rolling hills, providing a balanced challenge for mountain bikers.
The area is highly rated by the komoot community, with an average score of 4.5 stars from 18 reviews. Mountain bikers often praise the diverse landscape, which includes connections to the Canal de Nantes à Brest and the Black Mountains, offering a good mix of natural beauty and varied riding experiences.
While the majority of routes are easy to moderate, there is at least one difficult trail available for experienced riders seeking a greater challenge. The varied terrain, including rolling hills and wooded sections, can also offer more technical elements on some moderate routes.
Many routes start from villages like Glomel or Moulin de Keriou, which typically offer public parking facilities. It's advisable to check the specific route details on komoot for recommended starting points and parking information before your ride.
Given the prominence of Etang Du Corong (the lake itself) and other lakes like Kerdiston lake in the region, there may be opportunities for wild swimming. However, it's essential to research local regulations and safety guidelines for any specific swimming spots you plan to visit.
While specific cafes directly on every trail are not guaranteed, many routes start or pass through villages such as Glomel. These villages often have local amenities, including cafes or small shops, where you can refuel. Planning your route with komoot can help identify such stops.


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