3.8
(17)
254
riders
42
rides
Gravel biking around Brennilis offers diverse terrain within the Monts d'Arrée region of Brittany. The landscape is characterized by rolling hills, extensive wooded areas, and the significant Lac Saint-Michel. Routes often combine paved sections with gravel trails, traversing natural features such as the Yeun Elez marshes. The area provides varied elevations suitable for different skill levels of gravel bikers.
Last updated: July 3, 2026
4.3
(4)
30
riders
59.4km
04:22
920m
920m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
32
riders
62.4km
04:25
870m
860m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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2.0
(1)
13
riders
29.3km
02:12
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(4)
29
riders
67.5km
04:33
900m
900m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
riders
37.9km
02:55
480m
480m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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A nice station, now it's a restaurant/cafe
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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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Great preparation course at the end of the day
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One of the peaks of the Monts d'Arrée chain of the Armorican massif.
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The gravel bike trails around Brennilis, nestled in the Monts d'Arrée, feature a diverse mix of rolling hills, extensive woodlands, and the significant Lac Saint-Michel. You'll encounter a combination of paved sections and gravel paths, often traversing natural features like the Yeun Elez marshes. The area offers varied elevations suitable for different skill levels.
Yes, while many routes in the Monts d'Arrée can be challenging, Brennilis offers options for various abilities. There are 11 moderate routes and 1 easy route among the 39 available, providing less demanding terrain. Look for routes with lower elevation gain and shorter distances if you're seeking a more relaxed ride.
The region is rich in natural beauty and historical sites. You can explore the vast Lac Saint-Michel, the unique Réserve Naturelle du Vénec with its raised bog, and the legendary Yeun Elez marshes. For historical interest, consider visiting the ancient megalithic dolmen Ti ar Boudiged or the historic Calvary of Nestavel. The area also features several peaks like Mont Saint-Michel of Brasparts.
Many of the gravel bike routes in the Brennilis area are designed as loops, allowing you to start and finish at the same point. For example, the Mont Saint-Michel of Brasparts – Roc'h Trevezel loop from Brennilis is a popular circular option that takes you through scenic landscapes.
The gravel biking experience in Brennilis is highly rated by the komoot community, with an average score of 4.3 stars from nearly 20 reviews. Riders often praise the diverse terrain, the scenic beauty of the Monts d'Arrée, and the variety of routes that cater to different skill levels, from challenging climbs to more leisurely rides around the lake.
Public transport options directly to trailheads in Brennilis can be limited. It's advisable to check local bus schedules for services to Brennilis village. However, for maximum flexibility in accessing various starting points for gravel routes, traveling by car is generally recommended.
Parking is generally available in and around Brennilis, particularly near popular starting points like Lac Saint-Michel. For routes around Huelgoat Lake, you can often find parking in Huelgoat village or at designated spots near the lake. Always look for official parking areas to ensure convenience and safety.
The Monts d'Arrée region is enjoyable for gravel biking throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, with fewer crowds. Summer is also popular, but can be warmer. Winters can be damp and cooler, so be prepared for varying weather conditions, especially in the higher elevations.
Absolutely. Brennilis and the surrounding Monts d'Arrée are known for offering challenging 'hard gravel rides' that require very good fitness and advanced riding skills. For instance, the Huelgoat Lake – Huelgoat loop from La Feuillée is a difficult 61.2 km route with significant elevation gain, perfect for experienced gravel bikers seeking a demanding adventure.
While some routes might pass through or near villages with cafes or pubs, it's always a good idea to plan your stops in advance, especially on longer or more remote trails. Brennilis village itself offers some amenities. For routes around Huelgoat Lake, the town of Huelgoat provides more options for refreshments.
Generally, no specific permits are required for gravel biking on public trails in the Monts d'Arrée. However, it's always important to respect local regulations, stay on marked paths, and be mindful of private property and protected natural areas like the Réserve Naturelle du Vénec. Always practice Leave No Trace principles.
Gravel bike routes around Brennilis vary significantly in length and duration. You can find shorter rides, such as the Mont Saint-Michel of Brasparts – Roc'h Trevezel loop from Brennilis at 29.5 km (approx. 2 hours 12 minutes), to much longer and more challenging expeditions like The Valley of the Saints – Huelgoat loop from Huelgoat, which is 67.2 km and can take over 5 hours.


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