4.4
(178)
4,751
riders
143
rides
No traffic road cycling routes around Vallée de Douvenant traverse a unique landscape characterized by a wild valley, the Douvenant river, and the expansive Bay of Saint-Brieuc. The region features diverse ecosystems, including salt marshes and coastal areas, offering varied scenery for road cyclists. Many routes utilize repurposed railway lines, providing paved surfaces suitable for cycling. The terrain generally includes gentle gradients along the valley floor and coastal sections, with some moderate climbs on routes extending further inland.
Last updated: June 29, 2026
9
riders
52.0km
02:23
470m
470m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
9
riders
56.2km
02:37
480m
480m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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31
riders
34.1km
01:35
290m
290m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
4.0
(1)
17
riders
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
14
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Vallée de Douvenant
This viaduct has spanned the Parfond de Gouet valley since 1904. Like many other engineering structures in this region, it was built by Harel de la Noe, the chief engineer of bridges and roads, for the departmental railway network. The Saint-Brieuc to Paimpol line operated until 1956. Today, bicycles have replaced the little train!
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A path rather than a road that comes across a somewhat unexpected passage with a beautiful view from above.
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nice view for many kilometers
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Small historic chapel
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worth dwelling on
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The Greenway - and the Percée Viaduct - a fascinating story, which can be read on the information panels and is very interesting to me. Here's a translation of Vaduz: Like elegant young ladies striding over the valleys of the Lilliputian kingdom, at the beginning of the 20th century, nine viaducts, including the Parfond de Gouët Viaduct, with their beautiful brick arches, stretched along the very first railway line of the local network, St. Brieuc - Plouha. These engineering structures, built by a native of the region, Louis Harel de La Noë (1852-1931), a bridge and road engineer, allowed the small train of the Côtes-du-Nord to follow the winding and steep coastline without much effort. Lightness and elegance are the words that come to mind when describing the architecture of this 1903 building, characterized by numerous columns and arched vaults and its masonry in warm brick colors. The techniques used demonstrate boldness, ingenuity, and originality: reinforced concrete anchors (rebars) were installed to increase the compressive strength of the pillars and prevent cracks.
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The Saint-Gobrien Church is one of the few Romanesque buildings in Brittany. Inside, you'll discover over 400 square meters of ancient frescoes, dating from the 12th to the 17th century. A stunning visit, combining spirituality and painted heritage.
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There are over 120 dedicated traffic-free road cycling routes around Vallée de Douvenant, offering a wide range of options for cyclists looking for quiet and scenic rides.
The routes in Vallée de Douvenant primarily feature paved surfaces, often utilizing repurposed railway lines like the "Hentig glas" (little green path). This infrastructure is designed for "gentle traffic," making it ideal for smooth road cycling with minimal vehicle interaction. You'll find a mix of flat sections and gentle inclines, particularly around the viaduct and coastal areas.
Yes, many of the routes in Vallée de Douvenant are suitable for families. The emphasis on "gentle traffic" and repurposed railway lines means paths are generally safe and accessible. Look for routes described as easy or moderate, which make up the majority of the offerings. The Baie de Hillion – Pont Rolland loop from Langueux is a moderate option that could be enjoyed by families with some cycling experience.
The best time for road cycling in Vallée de Douvenant is generally from spring through early autumn (April to October). During these months, the weather is milder, and the natural landscapes, including the salt marshes and coastal views, are at their most vibrant. The region's coastal climate means pleasant temperatures for outdoor activities.
Absolutely! The Douvenant Viaduct was rehabilitated in 2022 specifically for "gentle traffic," making it a highlight for cyclists. Cycling across the viaduct offers exceptional panoramic views of the Bay of Saint-Brieuc, allowing you to appreciate the diverse ecosystems and the historical significance of this structure. You can explore routes like the Viaduc des Ponts-Neufs – Pont Rolland loop from Langueux which incorporates parts of this scenic area.
Yes, the Vallée de Douvenant is rich in both natural beauty and historical sites. Beyond the Douvenant Viaduct, you can explore the Grève des Courses, a protected natural area known for its scenic views and mussel farming. The "Hentig glas" path also leads to the Cesson neighborhood, where you can discover the ruins of a feudal tower and charming colorful beach huts. For nature enthusiasts, the Observatoire ornithologique at Pointe d'Illemont offers discreet birdwatching opportunities within the nature reserve.
The komoot community highly rates the road cycling experience in Vallée de Douvenant, with an average score of 4.4 stars. Reviewers often praise the quiet, traffic-free paths, the stunning coastal and valley views, and the unique experience of cycling across the historic Douvenant Viaduct. The well-maintained routes and diverse scenery are frequently highlighted as major draws.
Yes, there are several excellent loop routes designed for road cyclists in the area. These loops allow you to start and finish at the same point, making logistics easier. An example is the House with two gatekeepers – Légué Harbor, Saint-Brieuc loop from Langueux, which offers a comprehensive tour of the local landscape.
Parking is generally available in towns and villages adjacent to the Vallée de Douvenant, such as Langueux or Saint-Brieuc. Many routes, like those starting from Langueux, will have designated parking areas nearby. It's advisable to check specific starting points for detailed parking information before your ride.
Given the proximity to towns like Langueux and Saint-Brieuc, you will find various cafes, restaurants, and shops where you can stop for refreshments. The routes often pass through or near these populated areas, especially closer to the coast and the Légué Harbor, providing convenient opportunities to refuel during your ride.
While many routes are moderate, there are options for more experienced cyclists seeking a challenge. The region offers routes with greater distances and elevation gains, such as the Pont Rolland – Baie de Hillion loop from Pont des Courses, which covers over 57 kilometers and features significant climbing. These routes maintain the "no traffic" characteristic while providing a more demanding physical experience.


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