4.3
(277)
7,003
riders
185
rides
No traffic road cycling routes around Réserve naturelle nationale de la baie de Saint-Brieuc traverse a diverse coastal landscape, featuring expansive mudflats, salt meadows, and a small dune system. The region is characterized by 5.5 miles of protected shoreline, offering continuous views of the bay's dynamic ecosystems. Cyclists will encounter coastal cliffs adorned with unique plant species and greenway cycling routes that provide access to varied habitats. The terrain generally includes gentle gradients along the coast, with some moderate climbs…
Last updated: July 12, 2026
9
riders
56.2km
02:37
480m
480m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
31
riders
34.1km
01:35
290m
290m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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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.
9
riders
52.0km
02:23
470m
470m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Réserve naturelle nationale de la baie de Saint-Brieuc
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 170 dedicated no-traffic road cycling routes in and around the Réserve naturelle nationale de la baie de Saint-Brieuc. These routes cater to various skill levels, with 40 easy, 113 moderate, and 23 difficult options to explore the stunning coastal landscapes.
The routes offer diverse and stunning coastal landscapes, including vast mudflats, salt meadows, and an estuary. You'll cycle along 5.5 miles of protected shoreline, experiencing dynamic environments that change with the tides. The area is also known for its unique geological features and diverse habitats, from sandy foreshores to small dune systems.
Yes, the Réserve naturelle nationale de la baie de Saint-Brieuc offers several easy no-traffic road cycling routes suitable for families. These paths often follow greenways or dedicated cycle paths, providing a safe and enjoyable experience for cyclists of all ages. Look for routes marked as 'easy' to find the best options for a family outing.
While cycling, you can discover several interesting points. Consider visiting La Grève des Courses within the Saint-Brieuc Bay Nature Reserve, or enjoy the panoramic vistas from the Pointe du Grouin Viewpoint. The Boutdeville Park also offers a pleasant stop.
The komoot community highly rates the no-traffic road cycling routes in the Réserve naturelle nationale de la baie de Saint-Brieuc, with an average score of 4.4 out of 5 stars from over 220 ratings. Reviewers often praise the stunning coastal views, the tranquility of the car-free paths, and the rich biodiversity, especially the opportunities for birdwatching.
Yes, many of the no-traffic routes are designed as loops, allowing you to start and finish at the same point. An example is the Légué Harbor, Saint-Brieuc – Douvenant Viaduct loop from Hillion, which offers a moderate 28.5 km ride with varied scenery.
Public transport options to access the Réserve naturelle nationale de la baie de Saint-Brieuc and its cycling routes are available. Saint-Brieuc is well-connected, and local bus services often serve towns and villages around the bay, some of which may be close to route starting points. It's advisable to check local transport schedules and bike carriage policies in advance.
Parking is generally available at various access points around the Réserve naturelle nationale de la baie de Saint-Brieuc. Many towns and villages bordering the reserve, such as Hillion, Langueux, or Morieux, offer designated parking areas that serve as convenient starting points for cycling tours. For instance, you could start a ride like the Baie de Hillion – Port of Dahouët loop from Hillion directly from Hillion.
The best time to cycle in the Baie de Saint-Brieuc is typically during the spring, summer, and early autumn months (April to October). During these periods, the weather is generally milder and more stable, making for pleasant cycling conditions. The bay's dynamic ecosystems are also particularly vibrant, offering excellent opportunities for birdwatching and enjoying the diverse flora.
While many routes are shorter loops, sections of longer routes like the Vélomaritime (EuroVelo 4) pass through the area, offering extended car-free or low-traffic cycling experiences. For a longer moderate ride, consider the Pont Rolland – Baie de Hillion loop from Pont des Courses, which covers over 57 km.
The Réserve naturelle nationale de la baie de Saint-Brieuc is a protected area, and regulations regarding dogs on trails can vary. While some paths may permit dogs on a leash, it's crucial to respect local signage and conservation efforts, especially given the area's importance as a bird sanctuary. Always keep dogs under control to protect wildlife.
The Réserve naturelle nationale de la baie de Saint-Brieuc is an internationally recognized wetland, making it a prime spot for birdwatching. Over 200 bird species have been recorded, with up to 40,000 birds stopping annually. You might spot Brant geese, common shelducks, swans, herons, and even ospreys, especially during migratory seasons. The salt marshes also host unique halophile plants.


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