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Brittany
Saint-Brieuc

Trégueux

Attractions and Places To See around Trégueux - Top 20

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.

Best attractions and places to see around Trégueux

  • The most popular attractions is Ponts-Neufs Viaduct, a bridge that spans the Gouessant river. This old viaduct, dating from 1913, was restored in 2004 and is now accessible for pedestrians and cyclists.
  • Another must-see spot is Parfond du Gouët Viaduct, a bridge with 13 braced arches, 124 m long and 34 m high. This structure, built in 1904, was renovated to allow pedestrians and cyclists to circulate, forming part of a 40 km cycle route.
  • Visitors also love Saint-Brieuc Bay Visitor Centre, a facility located in the Nature Reserve. It offers a museum, temporary exhibitions, and educational activities to discover the natural heritage of the bay, which is home to varied fauna and flora.
  • Trégueux is known for historical viaducts, significant natural reserves, and cultural sites. The region offers a variety of attractions, from architectural heritage to marine biodiversity and coastal landscapes.
  • The attractions around Trégueux are appreciated by the komoot community, with more than 230 upvotes and 60 photos shared.

Last updated: May 10, 2026

Ponts-Neufs Viaduct

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This old viaduct and footbridge, which spans the Gouessant river, dates from 1913, built by Louis Auguste Harel de La Noë for the Côtes-du-Nord railways.

The eight arches of the bridge were restored in 2004, and you can now cross it on foot and by bicycle.

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Parfond du Gouët Viaduct

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The Parfond du Gouët viaduct or Percée viaduct was built in 1904 by Louis Auguste Harel de La Noë for the Chemins de Fer des Côtes-du-Nord. Located on the edge of the communes of Plérin and Pordic, it allowed the departmental network line to cross the valley of the same name.
Its main characteristics are:
13 braced arches
Total length: 124 m
Height: 34 m
This structure is undoubtedly one of the most remarkable on the network. It still exists. Access was prohibited before 2010, but it was renovated to allow pedestrians and cyclists to circulate. It is part of the 40 km cycle route linking Hillion to Pordic.

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Saint-Brieuc Bay Visitor Centre

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The site is exceptional because it is located in the Nature Reserve which is home to a very varied fauna and flora. It can accommodate up to 40,000 migratory birds in winter. The site is also remarkable because it is located in the heart of the bay of Saint-Brieuc, the fifth bay in the world for the amplitude of its tides. The sea can recede more than 7 km! It is this natural heritage that the Maison de la Baie, classified as Maison Nature, lets you discover through its museum, its temporary exhibitions, its educational activities, its walks and its nature outings. Actions that show the richness of biodiversity, raise awareness of environmental protection and develop eco-citizen behavior.
saintbrieuc-armor-agglo.bzh/sortir-et-decouvert/proteger-notre-environnement/preservation-de-la-baie/la-maison-de-la-baie

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La Grève des Courses, Saint-Brieuc Bay Nature Reserve

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Wild and secret, the Yffiniac cove is the most advanced part of the land of the Bay of Saint-Brieuc. Located in the heart of the largest Nature Reserve in Brittany, it can be discovered along the Chemin des Grêves.

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Port of Légué

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The Port du Légué, which seemed to be dormant for years, has now undergone expansion and modernization. A ship repair yard was started in 2000 and pleasure boats can now moor in the outer harbour. The opening of various shops and restaurants in the harbor was particularly well received by the Briochins.
The Grand-Léjon, a replica of a lugger (late 19th century work boat from the bay), is also regularly moored at the quay.

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Tips from the Community

Lawrence BROM
August 24, 2025, Viaduc du Parfond du Gouët

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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Frequently Asked Questions

What historical sites can I visit around Trégueux?

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.

Are there family-friendly attractions near Trégueux?

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.

What natural features and viewpoints can I discover around Trégueux?

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.

Where can I go for a walk or hike near Trégueux?

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.

Are there cycling routes or paths near Trégueux's attractions?

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.

What do visitors enjoy most about the attractions around Trégueux?

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.

What cultural experiences can I find in Trégueux and nearby?

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.

Are there any coastal or seaside attractions close to Trégueux?

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.

Where can I find local food and drinks in Trégueux?

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.

What are some unique attractions or hidden gems in the Trégueux area?

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.

Can I find running trails around Trégueux?

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.

What is there to do in the nearby city of Saint-Brieuc?

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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