4.5
(3)
40
riders
7
rides
Gravel biking around Callac offers diverse terrain within Brittany's Côtes-d'Armor department. The region features a mix of forest tracks, rolling hills, and varied unpaved paths suitable for gravel bikes. Cyclists can navigate through green countryside, along riverbanks, and explore areas like the Blavet Valley and Locarn Moors. The landscape includes moderate elevation changes and natural features such as the Corong Gorges.
Last updated: May 24, 2026
5.0
(2)
16
riders
176km
11:00
1,540m
1,530m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
26
riders
175km
09:18
1,160m
1,160m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(1)
13
riders
136km
08:15
980m
980m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
50.6km
02:52
450m
450m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
164km
10:14
1,560m
1,560m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Callac
A great detour to Saint Aignan, the Les Pêcheries de Guerlédan restaurant is very welcoming, with bike parking, a generous meal and welcome. Crossing the village, you can reach the canal a little further on via the lock.
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This is one of the very few straight sections of the canal.
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Yes - a very beautiful lock keeper's house. We were able to take a relaxing break here! Someone has invested a lot of love and time here and turned it into a gem. 💎
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A stretch on the dam before the Trehu Moron dam. The landscape is constantly changing. The canal meanders through the countryside here. I love this landscape, and it's a good mood to drive here.
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There are 3 dedicated no-traffic gravel bike trails detailed in this guide for the Callac region. These routes are specifically curated to offer a serene riding experience away from vehicular traffic.
The terrain around Callac is varied and ideal for gravel biking, featuring a mix of forest tracks, rolling hills, and quiet country roads. You'll encounter diverse landscapes, from the green countryside to more rugged paths, especially within reach of the Parc Naturel Régional d'Armorique. Expect challenging climbs and descents on routes like the Bon-Repos Abbey – Lock No. 138 of Bon Repos loop, which has over 1000m of elevation gain.
While the longer routes in this guide are rated as 'difficult' or 'moderate' due to their length and elevation, the Gurunhuel loop from Gurunhuel is a shorter option at just over 13 km with less climbing, making it more accessible for families with some biking experience. The region's quiet roads and green countryside generally offer a pleasant environment for family rides.
The Callac region is rich in natural beauty and historical sites. You can explore the impressive rock formations of the Gorong-Schlucht, or discover the tranquil Blavet Valley and Locarn Moors. Some routes, like the extensive Lock No. 138 of Bon Repos – Bon-Repos Abbey loop, pass by significant historical sites such as the Bon-Repos Abbey.
Generally, dogs are welcome on trails in the Callac region, especially on forest tracks and quiet country roads, provided they are kept under control. When passing through agricultural areas or near livestock, it's essential to keep your dog on a leash. Always ensure you carry water for your dog, especially on longer routes.
To best enjoy the no-traffic gravel trails, spring (April-June) and autumn (September-October) are ideal. The weather is generally mild, and the natural scenery is vibrant. These seasons also tend to be less crowded than the peak summer months, further enhancing the 'no traffic' experience on the trails and quiet roads.
Yes, all the routes featured in this guide are circular, allowing you to start and end at the same point. For example, the challenging Old Station, Locmaria-Berrien – Poullaouen loop offers a substantial circular ride through varied landscapes.
The Callac area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the region's diverse terrain, the peacefulness of the routes away from traffic, and the stunning natural beauty, particularly the green countryside and forest sections.
While Callac itself has some public transport connections, accessing the specific starting points of these gravel trails might require a short ride or taxi. It's advisable to check local bus schedules for routes connecting to villages near the trailheads, especially if you plan to start a longer tour like the Bon-Repos Abbey – Lock No. 138 of Bon Repos loop from Carnoët-Locarn.
Callac and the surrounding charming villages offer various options for refreshments and accommodation. You'll find local cafes, restaurants, and guesthouses. It's a good idea to plan your route to pass through these villages for a break, especially on longer rides, as amenities might be sparse on the more remote sections of the trails.
The no-traffic gravel trails around Callac are generally well-maintained, consisting of compacted gravel, forest paths, and quiet asphalt sections. Conditions can vary with weather; after heavy rain, some unpaved sections might be muddy. It's always recommended to check local weather forecasts before heading out.


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