Best attractions and places to see around Trégueux, a commune in the Côtes-d'Armor region of Brittany, France, offer a mix of local heritage and access to diverse natural and cultural sites. The area features significant architectural landmarks and provides proximity to coastal natural features like the Bay of Saint-Brieuc. Visitors can explore historical structures, natural reserves, and nearby urban centers.
Last updated: May 10, 2026
Highlight (Segment) • Bridge
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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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small passage with a nice view, and on a car-free road
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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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Difficulty finding the start of the hike, so we chose the bay house.
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The Viaduct des Ponts-Neufs is an impressive historical structure in Hillion. The viaduct was built between 1913 and 1914 by Louis Auguste Harel de La Noë for the Chemins de Fer des Côtes-du-Nord. It is an arch bridge that spans the Gouessant Valley and offers a magnificent view of the waterfalls below. The viaduct is 27 metres high and 237 metres long, including a pedestrian walkway.
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The photo is not extraordinary, but the place is worth the detour. Lots of small paths or singles for lots of fun.
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The Parfond de Gouet viaduct is of course the highlight of this attractive segment.
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Today, La Grève des Courses is part of the GR34, a coastal hiking trail that allows you to discover all of Brittany’s coasts. From here, you can enjoy magnificent views of the Anse d’Yffiniac. The area is also home to mussel farms, known as “bouchots”, which are a local specialty. The Réserve Naturelle de La Baie de Saint-Brieuc itself is the largest nature reserve in Brittany.
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Trégueux and its surroundings offer several historical sites. You can explore the 18th-century Église Saint-Pierre and the 1873 Chapelle Sainte-Marie within Trégueux itself. Nearby, the Ponts-Neufs Viaduct and the Parfond du Gouët Viaduct are historical railway bridges, now restored for pedestrians and cyclists. Further afield, the medieval fortress of Fort Lalatte offers guided tours into Brittany's past, and the city of Saint-Brieuc boasts a historic center with medieval houses and the Saint-Guillaume Cathedral.
Yes, many attractions around Trégueux are suitable for families. The Saint-Brieuc Bay Visitor Centre offers interactive exhibits about the natural heritage of the bay. Both the Ponts-Neufs Viaduct and Parfond du Gouët Viaduct are accessible for walking and cycling, providing an enjoyable outdoor activity. The Légué Harbor, Saint-Brieuc is also family-friendly with shops and restaurants. Additionally, the Aquarium Marin de Trégueux provides an engaging look into marine biodiversity.
The region around Trégueux is rich in natural beauty. The Saint-Brieuc Bay Visitor Centre is located within the Réserve naturelle nationale de la baie de Saint-Brieuc, known for its diverse ecosystems and migratory birds. You can find stunning views from the La Grève des Courses, Saint-Brieuc Bay Nature Reserve, which is part of the GR34 coastal trail. The Pointe du Roselier, just 8 km away, offers breathtaking views of cliffs and the Bay of Saint-Brieuc. While further, the Cliffs of Cap Fréhel provide iconic vistas of the Atlantic Ocean.
There are several walking and hiking opportunities. The restored Ponts-Neufs Viaduct and Parfond du Gouët Viaduct are popular for walks and cycling. For more extensive hiking, you can explore routes like the 'Viaduc de Douvenant – Boutdeville - The Brickworks loop' or the 'Saint John the Baptist Church – Birdwatching observatory loop'. You can find more hiking options in the Hiking around Trégueux guide.
Yes, cycling is a great way to explore the area. Both the Ponts-Neufs Viaduct and Parfond du Gouët Viaduct have been renovated to allow cyclists, with the latter being part of a 40 km cycle route. You can find various cycling routes, including 'Greves de langueux – Douvenant Viaduct loop' and 'View of Pointe du Roselier – Pointe du Roselier loop', in the Cycling around Trégueux guide.
Visitors particularly appreciate the blend of historical architecture and natural beauty. The viaducts are praised for their interesting structures and ease of navigation for walking and cycling. The Saint-Brieuc Bay Visitor Centre is valued for its exceptional location within the Nature Reserve and its interactive approach to discovering local biodiversity. The Légué Harbor, Saint-Brieuc is enjoyed for its charming atmosphere, colorful facades, and array of shops and restaurants.
Beyond the churches and chapels in Trégueux, you can visit the Savonnerie d'Armor to learn about artisan soap-making or explore local markets and artisanal shops for Breton produce and crafts. For a taste of local beverages, the Trégueux Brewery offers authentic Breton beers. The nearby city of Saint-Brieuc features a historic center with medieval houses and the Saint-Guillaume Cathedral, while Moncontour is known for its charming streets and half-timbered houses within medieval walls.
Yes, Trégueux offers easy access to coastal areas. The Baie de Saint-Brieuc, approximately 19 km away, is a significant natural feature and home to the Réserve naturelle nationale de la baie de Saint-Brieuc. The La Grève des Courses, Saint-Brieuc Bay Nature Reserve offers magnificent views and is part of the GR34 coastal trail. The Légué Harbor, Saint-Brieuc provides a charming port atmosphere, and Binic, a small seaside resort, features an attractive harbor and beaches.
In Trégueux, you can visit La Maison de la Banane for traditional Breton crepes, fresh seafood, and regional specialties. For those interested in local beverages, the Trégueux Brewery offers the chance to discover authentic Breton beers. Additionally, local markets and artisanal shops provide opportunities to sample fresh Breton produce.
Beyond the main highlights, Trégueux's heritage includes several historic fountains and lavoirs (washhouses) like the fontaine de LaVille-Gueury and lavoir de Saint-Rivily, offering a glimpse into local history. The artisan Savonnerie d'Armor provides a unique insight into traditional soap-making. The restored viaducts, such as the Ponts-Neufs Viaduct and Parfond du Gouët Viaduct, are also considered unique for their historical significance and transformation into recreational paths.
Yes, there are several running trails available. You can explore routes such as the 'Gouec Valley – Légué Harbor, Saint-Brieuc loop' or shorter options like the '5km run loop from Langueux'. More running trails and detailed information can be found in the Running Trails around Trégueux guide.
Just 3 km from Trégueux, Saint-Brieuc offers a rich experience. You can explore its historic center with medieval houses, visit the Saint-Guillaume Cathedral, and see the unique kaleidoscope-like interior of the Maison Saint-Yves chapel. The Légué Harbor, Saint-Brieuc is a charming spot with shops and restaurants, and the Gouédic valley provides a greenway for walks. For more information on the wider area, you can visit Brittany Tourism's Saint-Brieuc page.


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