4.5
(89)
588
riders
52
rides
Mountain bike trails around Lac Du Drennec are situated within Finistère, Brittany, in the Armorique Regional Nature Park. The area features an artificial reservoir, the second-largest in Finistère, surrounded by verdant hills, expansive moors, and varied woodlands. Mountain bikers can expect tranquil lakeside paths and shaded pine forests, with views of the Monts d'Arrée ridge line. The terrain offers a mix of easy, moderate, and challenging routes, traversing largely untouched countryside.
Last updated: July 10, 2026
5.0
(1)
4
riders
17.7km
01:29
260m
260m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
3.8
(5)
17
riders
40.6km
03:31
540m
540m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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2
riders
55.1km
05:17
1,130m
1,130m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5
riders
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4
riders
38.7km
02:33
500m
500m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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This chapel was beautifully restored after the fire in the summer of 2022. This hill offers a lovely view of the Monts d'Arrée.
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The chapel originally dates back to the 17th century. A visit is definitely worth it – the view is simply fantastic!
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Great preparation course at the end of the day
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Very beautiful lake with a beautiful beach and nautical base.
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One of the peaks of the Monts d'Arrée chain of the Armorican massif.
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Incredible view from the second highest point of the Breton part of the Armorican Massif in the Monts d'Arrée.
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Very beautiful chapel, recently restored after a fire in 2022. The panorama over the entire Monts d'Arrée, the sea and the crests of the Montagnes Noires is magnificent.
2
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Exceptional views from the summit. You can reach the summit by racing bike, although the last part is a bit gravelly.
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0
There are over 45 mountain bike trails around Lac Du Drennec, offering a wide range of options for different skill levels. You'll find 8 easy routes, 23 moderate routes, and 17 difficult routes to explore.
The terrain around Lac Du Drennec is diverse, featuring tranquil lakeside paths, shaded pine forests, and expansive moors. You'll also encounter verdant hills and varied woodlands, with some routes offering views of the Monts d'Arrée ridge line. Some harder routes may even require pushing your bike for certain segments.
Yes, there are several easy mountain bike trails suitable for families. These routes are generally less technical and offer a pleasant experience through the natural surroundings. For example, the View of Lake Brenilis loop from Stamadec is an easy 11.2-mile trail that takes about 1 hour 33 minutes to complete.
Many trails offer picturesque views of the Monts d'Arrée ridge line and the artificial reservoir itself, Lac Du Drennec. You can also explore areas of untouched countryside, tranquil lakeside paths, and shaded pine forests. The Sizun Beach – Drennec Dam loop from Ar Yun, for instance, takes you past the notable Drennec Dam and Sizun Beach.
Yes, many of the mountain bike trails around Lac Du Drennec are circular, allowing you to start and end at the same point. This is convenient for planning your ride. The Mont Saint-Michel of Brasparts – Roc'h Trevezel loop from Saint-Cadou is a challenging circular route, and the View of Lake Brenilis loop from Stamadec is an easy circular option.
While the region is generally welcoming to outdoor activities, specific regulations for dogs on mountain bike trails within the Armorique Regional Nature Park can vary. It's always best to keep dogs on a leash and ensure they are well-behaved to respect wildlife and other trail users. Check local signage for any specific restrictions.
Mountain biking around Lac Du Drennec is enjoyable throughout much of the year. The trails provide a peaceful experience through moors and woodlands even in winter. However, for the most pleasant conditions, spring and autumn offer mild temperatures and beautiful scenery. Summer can also be great, especially for combining your ride with a swim at Sizun Beach.
Yes, parking is generally available at various access points around Lac Du Drennec and the start of many trails. Specific parking information can often be found on individual route pages on komoot or local signage.
The mountain bike trails around Lac Du Drennec are highly rated by the komoot community, with an average score of 4.5 stars from over 80 reviews. Mountain bikers often praise the diverse terrain, the tranquil lakeside paths, and the shaded pine forests, as well as the variety of routes catering to different skill levels.
Absolutely. For experienced riders seeking a greater challenge, there are 17 difficult routes available. The Saint-Michel Chapel – Montagne Saint-Michel loop from Ar Yun is a demanding 34.1-mile route with over 1100 meters of elevation gain, offering a significant test of endurance and skill.
The area around Lac Du Drennec offers various options for refreshments and accommodation. You can find cafes and pubs in nearby villages, and there are accommodation choices ranging from guesthouses to campsites, particularly around the lake and in the broader Le Drennec area.
Generally, mountain biking on designated trails within the Armorique Regional Nature Park does not require a specific permit for individual riders. However, it's always advisable to respect local regulations, stay on marked trails, and be mindful of other park users and wildlife. For large groups or organized events, specific authorizations might be necessary.


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