4.0
(13)
89
riders
15
rides
Gravel biking around Porcaro offers routes through a rural landscape characterized by a dispersed habitat and a network of streams, including the Oyon and ruisseau de l'Étang du Vobulo. The terrain features a minimum altitude of 30 meters and a maximum of 154 meters, providing varied gradients suitable for cycling. The region is influenced by the nearby Forest of Brocéliande, offering extensive woodlands, and historical sites like the Menhirs of Monteneuf. These natural and cultural elements contribute to diverse gravel…
Last updated: July 4, 2026
6
riders
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
3.0
(1)
4
riders
47.0km
03:10
530m
530m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
9
riders
50.8km
02:30
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
2
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
9
riders
129km
06:56
820m
820m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Porcaro
Aff Valley, a superb route. Beware of roots in wet weather. But it's magnificent.
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This former watermill, documented as early as 1089, was initially used as a fulling mill before being converted into a flour mill in the 19th century. Its operation ceased on December 31, 1974. Since then, the building has stood as a significant heritage landmark, marking the industrial and riverine history of the Vilaine Valley.
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A few strollers in steep areas, but it's great for gravel! A truly enjoyable experience.
1
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Great for a crepe break. Even better for a beer break!!
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Very beautiful castle, the crows that prowl around it make it look... strange.
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Pleasant and shaded on foot or by bike. A few paths // to do on foot or by mountain bike
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There are 11 dedicated no-traffic gravel bike trails around Porcaro, offering a variety of distances and difficulty levels for you to explore the region's quiet paths and natural beauty.
The terrain around Porcaro is characterized by a rural landscape with varied topography, including paths along streams like the Oyon and around lakes such as the Étang du Vobulo. You'll find a mix of forest paths, rural roads, and trails that connect historical sites, offering a diverse gravel biking experience.
Yes, many of the no-traffic gravel routes around Porcaro are designed as loops. For example, the Dolmens de la Loge Morinais – Guer loop from Guer offers a moderate 38 km ride, while the Oyon Valley Greenway – Augan old railway station loop from Guer provides a longer 50 km option, both allowing you to start and finish in the same location.
The trails often pass by significant historical and natural sites. You can cycle past the ancient Menhirs of Monteneuf, explore the mystical Merlin's Seat, or visit the historic Paimpont Abbey and Pond. The region is rich in Arthurian legends and megalithic sites, providing plenty to discover.
Absolutely. For experienced riders seeking a challenge, routes like the Trécesson Castle – Paimpont Abbey and Pond loop from Beignon cover nearly 63 km with significant elevation gain, rated as 'difficult'. Another demanding option is the Moulin de Blond Lock – Guipry-Messac Mill loop from Monteneuf, which is a substantial 130 km ride.
The komoot community highly rates the gravel biking experience around Porcaro, with an average score of 4.1 out of 5 stars. Riders often praise the tranquility of the no-traffic routes, the beautiful natural scenery, and the opportunity to combine cycling with exploring historical sites like the Menhirs of Monteneuf and the legendary Forest of Brocéliande.
While many routes are rated moderate to difficult, the emphasis on 'no traffic' makes them inherently safer for families. Look for shorter sections of the greenways or paths around the smaller lakes, which often provide flatter, more accessible terrain. Always check the route details for elevation and surface type to ensure it suits your family's abilities.
Spring and autumn generally offer the most pleasant conditions for gravel biking in Porcaro, with mild temperatures and beautiful scenery. Summer can also be enjoyable, especially in the shaded forest areas, but be mindful of potential heat. Winter rides are possible, but trails might be muddier, especially after rain.
Yes, the region is dotted with several water features. Many routes will take you past or near lakes such as the Fairies' Mirror Pond, Paimpont Abbey and Pond, and the Étang de la Forge. These offer scenic views and often provide pleasant spots for a break.
Yes, the Forest of Brocéliande, known for its Arthurian legends, is approximately 12 km from Porcaro and is a major highlight of the region. Routes like the Trécesson Castle – Entrance to the Val Sans Retour loop from Saint-Malo-de-Beignon will take you into the heart of this mystical forest, offering extensive woodlands and dramatic landscapes perfect for gravel biking.
Given the rural nature of Porcaro and its surrounding communes, parking is generally available in the villages where many routes start, such as Guer, Beignon, or Monteneuf. Always check the specific starting point of your chosen route for the most convenient parking options.


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