4.4
(1934)
9,419
hikers
321
hikes
Hiking around Brennilis offers access to the diverse landscapes of the Monts d'Arrée, characterized by wind-swept rocky hills, extensive moorlands, and heathland. The region is situated within the Armorique Regional Natural Park, providing a protected environment for outdoor activities. Lac de Brennilis serves as a central feature, with trails offering varied and picturesque walking experiences around its shores and into the surrounding terrain. This area provides a network of routes suitable for exploring Brittany's natural beauty.
Last updated: June 25, 2026
4.4
(38)
218
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.7
(30)
75
hikers
18.0km
04:55
270m
260m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.5
(2)
14
hikers
25.9km
06:59
340m
340m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.4
(5)
46
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(2)
10
hikers
7.52km
02:00
80m
80m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Good shoes are necessary and you shouldn't be afraid of small caves.
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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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impressive rocky chaos full of legends
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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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There are over 290 hiking routes in the Brennilis area, offering a wide variety of options for all skill levels. You'll find trails ranging from easy strolls to more challenging treks through the diverse landscapes of the Monts d'Arrée.
Hiking in Brennilis offers a unique experience due to its location within the Monts d'Arrée and the Armorique Regional Natural Park. You'll encounter dramatic moors, heathland, wind-swept rocky hills, and the scenic Lac de Brennilis, providing varied and picturesque walking experiences that are characteristic of Brittany's natural beauty. For more information on regional natural parks, you can visit Brittany Tourism.
The best time to hike in Brennilis is generally from spring through autumn, when the weather is milder and the landscapes are vibrant. Spring brings blooming gorse and heath, while autumn offers beautiful colors across the moors. Summer is also popular, but trails can be busier. Always check local weather forecasts before heading out.
The hiking trails around Brennilis are highly regarded by the komoot community, with an average rating of 4.4 stars from over 2900 reviews. Hikers often praise the diverse terrain, the tranquility of the peatlands, and the stunning views, especially around Lac de Brennilis and the Monts d'Arrée.
Yes, Brennilis offers a good selection of trails suitable for beginners and families. Out of nearly 300 routes, 118 are classified as easy, providing gentle paths to explore the area's natural beauty. These routes often feature less elevation gain and shorter distances, perfect for a leisurely outing.
Yes, many of the trails around Brennilis are circular, allowing you to start and end at the same point. An excellent example is the Yeun Elez – Brennilis Lake Peatlands loop from Centrale nucléaire de Brennilis, a moderate 9.3-mile (15.0 km) route that explores the unique peatlands and the area around Lac de Brennilis.
Absolutely. The region around Brennilis is rich in natural landmarks. For instance, the The Fairies' Pond – Gouffre de Huelgoat Waterfall loop from Saint-Guinec is a moderate 11.1-mile (17.9 km) trail that features the impressive Gouffre de Huelgoat Waterfall. You can also explore other unique features like the Trembling Rock and Arthur's Cave near Huelgoat Forest.
Beyond the trails, you can explore several natural attractions. The Huelgoat Forest is a must-see, known for its mystical atmosphere and unique rock formations. You can also visit the iconic Mont Saint-Michel of Brasparts, a significant peak in the Monts d'Arrée offering panoramic views.
Generally, dogs are welcome on hiking trails in the Brennilis area, especially within the Monts d'Arrée and Armorique Regional Natural Park. However, it is always recommended to keep them on a leash to protect local wildlife and ensure the safety and comfort of other hikers. Please be mindful of any specific signage or regulations in certain protected areas.
Public transport options directly to specific trailheads in Brennilis can be limited, as the area is quite rural. It is often more convenient to reach the region by car. However, some local bus services might connect Brennilis village to larger towns, from where you might need to arrange further transport or walk to trail starting points. Checking local bus schedules in advance is advisable.
Parking is generally available at key starting points for popular trails, especially around Lac de Brennilis and in the villages within the Monts d'Arrée. Look for designated parking areas near trailheads or in village centers. For example, routes like the Brennilis Lake Peatlands – Mont Saint-Michel of Brasparts loop from Maison du Lac often have parking facilities nearby.
No, you do not typically need a permit to hike on the established trails within the Monts d'Arrée or the Armorique Regional Natural Park. These areas are open for public access to enjoy nature. However, always respect private property, stay on marked paths, and follow any local regulations regarding fire, waste, or wildlife protection.


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