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4
rides
Gravel biking in Coat An Diarzou, located in Finistère, Brittany, offers diverse landscapes for exploration. The region features a blend of coastal views, including bays and rugged shorelines, alongside varied inland terrain. Riders can expect routes traversing rolling farmlands, ancient forests, and moorlands, often utilizing "sunken lanes" or "ribinoù." The terrain provides a dynamic environment with both paved and unpaved surfaces, suitable for different skill levels.
Last updated: July 6, 2026
6
riders
75.0km
05:18
770m
770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
32.0km
01:59
320m
320m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
24.9km
01:46
240m
240m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
32.1km
02:19
350m
350m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Coat An Diarzou
This passage is still very beautiful but you have to earn it.
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Just marvel and enjoy 😌 Technical data is provided by others 👍
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The Chapelle Sainte-Barbe, near Plestin-Les-Grèves, has a historical charm that you can appreciate through its simple yet picturesque architecture, which has been a local landmark for centuries.
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This viaduct, which is important for the railway connection Paris - Brest, is a distinctive feature of the cityscape of Morlaix.
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This church, with the patronage of Saint-MICHEL, is dedicated to the Archangel Michael. The name (from Hebrew) means "Who is like God?" He is often depicted - in paintings or as a statue - with a flaming sword, or occasionally a lance. Michael is - together with Raphael and Gabriel, and sometimes Uriel is also included - one of the three or four archangels who (according to human belief) occupy the highest rank in the heavenly hierarchy of angelic beings. Their common feast day in the calendar of saints is September 29th.
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The town of Morlaix is dominated by a railway viaduct that is over 50 m high and 258 m long and can be seen from far away. It was built in 1864 to create the railway connection between Paris and Brest. At the time, many buildings had to be demolished for this project. During the Second World War, Allied bombers were supposed to bomb the viaduct, but missed their target and caused great damage to the town. The viaduct can be crossed on foot on the first floor.
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Morlaix is an old medieval town, which seduces with its cobbled streets, its half-timbered houses and its imposing viaduct. Nestled between history and modernity, it offers a picturesque atmosphere.
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The no-traffic gravel bike trails in Coat An Diarzou offer a diverse range of terrain, reflecting the broader Finistère region. You'll encounter a mix of coastal paths with views of bays and rugged coastlines, as well as inland routes through rolling farmlands, ancient forests, and moorlands. Expect to ride on traditional 'ribinoù' (sunken lanes), forest tracks, and some rocky sections, providing a varied and engaging experience. The region is known for its 'permanent undulation', making for dynamic gravel riding.
While the routes in this guide are generally moderate to difficult, the broader Coat An Diarzou area, within Finistère, is known for its family-friendly outdoor activities. For a moderate option that offers a good length without being overly strenuous, consider the Le Jarlot – Rest area at Berlingar loop from Plouigneau. It covers about 32 km and has manageable elevation changes, making it suitable for families with some gravel biking experience.
Gravel biking in Coat An Diarzou is enjoyable across multiple seasons. Spring and autumn generally offer pleasant temperatures and beautiful scenery, with fewer crowds. Summer can be great for coastal rides, but be mindful of potential heat. Winter rides are possible, but conditions can be wetter and cooler, especially on forest tracks and 'ribinoù'. Always check local weather conditions before heading out.
Yes, all the no-traffic gravel bike routes featured in this guide are circular, allowing you to start and end at the same point. For example, the challenging Houses in Pondalez – Morlaix Viaduct loop from Plouigneau is a long circular route, as is the moderate Rest area at Berlingar – Sunken Forest Path loop from Plougonven.
The no-traffic gravel bike trails in Coat An Diarzou vary in length and duration. You can find routes ranging from around 25 km, like the Sainte-Barbe Chapel – Baie du Douron loop from Plestin-les-Grèves which takes about 1 hour 45 minutes, up to longer, more challenging rides such as the Houses in Pondalez – Morlaix Viaduct loop from Plouigneau, which is over 75 km and can take more than 5 hours to complete.
Yes, the region's proximity to the coast means you can find scenic coastal routes. The St Michel on strike – Saint-Michel-en-Grève Beach loop from Saint-Michel-en-Grève offers a moderate ride of about 25 km, providing beautiful views of the coast and beaches, characteristic of the rugged Finistère coastline.
Given the varied terrain and potential for 'permanent undulation', it's advisable to bring a well-maintained gravel bike with appropriate tires for mixed surfaces. Essential gear includes a helmet, water, snacks, a repair kit (spare tube, pump, multi-tool), and navigation tools. Layered clothing is recommended due to changing weather conditions, especially near the coast or in forested areas. Don't forget your phone for emergencies and photos!
While specific highlights are not detailed for these routes, the broader Finistère region is rich in history and culture. Gravel routes, particularly those utilizing 'ribinoù', often lead to hidden chapels, ancient menhirs, and charming traditional villages. Keep an eye out for these cultural gems as you explore the trails, as they add a unique dimension to your ride.
While the routes themselves focus on no-traffic paths, many start or pass near towns and villages where you can find cafes and amenities. For instance, routes starting from Plouigneau or Plestin-les-Grèves will offer opportunities for refreshments before or after your ride. It's always a good idea to check the route map for nearby towns and plan your stops accordingly, especially on longer rides.
Coat An Diarzou, situated in Finistère, is an excellent destination for no-traffic gravel biking due to its unique blend of landscapes. The region offers extensive canal paths, low-traffic roads, and a network of gravel routes that allow you to escape busy areas. You'll experience everything from coastal views to mystical forests and moorlands, often traversing 'ribinoù' (sunken lanes) that lead to secluded spots. The 'permanent undulation' of the terrain provides a dynamic and engaging ride for all skill levels.


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