4.2
(22)
74
riders
35
rides
Gravel biking around Monterfil offers diverse terrain on the eastern foothills of the Armorican Massif. The region is characterized by a natural environment featuring deep valleys, rocky outcrops, woods, ponds, and moors of gorse and heather. Monterfil is situated at the edge of the Brocéliande Forest and overlooks the Serein Valley, providing a distinctive setting for off-road cycling. The landscape also includes a unique "purple country" geological feature, with reddish-ochre colored stone evident in natural relief.
Last updated: May 22, 2026
4.3
(3)
21
riders
116km
07:10
1,070m
1,070m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(6)
10
riders
5.71km
00:18
20m
30m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(2)
3
riders
42.3km
02:46
290m
290m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
5
riders
38.4km
02:36
320m
320m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
2.5
(2)
4
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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For a photo with the legendary Excalibur sword.
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Avoid if too fatty, otherwise great
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a great place for the whole family with a very beautiful view especially at sunset
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very beautiful place for all ages, for young people there is tree climbing and you can take beautiful photos tree climbing
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nice spot for a souvenir photo during the hike. Next to it, a place to have a drink or eat an ice cream before resuming the hike
2
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The interior is beautiful and allows for a break during the hike
1
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beautiful church
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There are over 50 gravel bike trails around Monterfil, offering a wide range of options for different skill levels. The komoot community has rated these routes highly, with an average score of 4.2 stars.
Gravel biking in Monterfil offers a 'wild and varied' natural environment. You'll encounter deep valleys, rocky outcrops, woods, ponds, and moors of gorse and heather. The region is also known for its unique 'purple country' geological features, with reddish-ochre colored stone visible in the landscape and architecture, particularly on the Côte de Saint-Genou.
Yes, there are several easy options. A popular choice is the Lake Trémelin – Lake Trémelin loop from 2, which is a short 3.6-mile (5.8 km) path offering scenic views around Lac de Trémelin with minimal elevation gain. This is ideal for a relaxed ride.
For a more challenging experience, consider the Former quarry – Vallon de la Rohuel loop from Le Verger. This route spans 35.3 miles (56.8 km) and navigates varied terrain, including former quarry areas and valley paths, with significant elevation changes. Another long and challenging option is the Beignon Church – Étang de la Marette loop from Montfort-sur-Meu, which is over 70 miles long.
Monterfil is rich in natural beauty. You can explore the picturesque Serein Valley, which features a botanical trail, or venture towards the legendary Brocéliande Forest. Notable viewpoints include the Chambre au Loup Valley, offering breathtaking views of its lake and woodlands, and the Lake Trémelin viewpoint. The distinctive 'purple country' landscape, with its reddish-ochre stone, is also a unique feature to observe.
Yes, many of the gravel routes around Monterfil are designed as loops. For example, the Lake Trémelin – Lake Trémelin loop from Plélan-le-Grand offers a moderate 42 km ride around the lake. Another option is the Lake Trémelin – Lake Trémelin loop from Talensac, a 28 km moderate route.
The region's diverse natural environment, including moors of gorse and heather, suggests that spring and early autumn would be particularly scenic, with pleasant temperatures. However, the 'wild and varied' terrain can be enjoyed across multiple seasons, with summer offering longer daylight hours and winter providing a different, perhaps more rugged, experience.
Absolutely. The area is dotted with beautiful bodies of water. You can cycle around Lac de Trémelin, which is a popular spot, or discover the tranquil Pont Dom Jean Pond, located near historical sites within the Brocéliande Forest. The Étang de l'Étunel and Casse Pond are also nearby.
Monterfil's gravel biking experience is unique due to its 'purple country' geological features, characterized by reddish-ochre colored stone, and its position at the edge of the mythical Brocéliande Forest. The 'accidental' relief of deep valleys and rocky outcrops, combined with the historical anecdote of the Saint-Genou fountain, offers a distinctive blend of natural beauty, legend, and cycling heritage.
Yes, the region has a rich history. The church of Saint-Genou-et-Saint-Étienne in Monterfil is historically significant, having been on a route of the Tour de France. Legend says cyclists would stop at the Saint-Genou fountain for water believed to alleviate knee pain. Within the Brocéliande Forest, you can find sites like the Château de Comper and Merlin's tomb near Pont Dom Jean Pond.
The gravel trails in Monterfil are highly regarded by the komoot community, with an average rating of 4.2 stars from over 20 reviews. Riders often praise the diverse terrain, the beauty of the Brocéliande Forest, and the unique 'purple country' landscapes that make for a memorable cycling experience.


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