Best attractions and places to see around Hillion include a diverse landscape of historical landmarks, significant natural features, and cultural sites. This commune in Brittany, France, is known for its coastline, including the Baie de Saint-Brieuc Nature Reserve, which features one of the world's largest tidal ranges. Visitors can explore various points of interest, from historic bridges to coastal paths and charming harbors. The region offers opportunities to discover both its built heritage and its rich biodiversity.
Last updated: May 26, 2026
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small passage with a nice view, and on a car-free road
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great for a short break
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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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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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In the 19th and 20th centuries, La Grève des Courses was a festive place where horse races and aviation meetings took place. However, it later became a wild dump where waste was thrown directly onto the sand, polluting the bay. Thanks to the efforts of environmental associations, it was transformed into a nature reserve.
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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. https://www.saintbrieuc-armor-agglo.bzh/sortir-et-decouvert/proteger-notre-environnement/preservation-de-la-baie/la-maison-de-la-baie
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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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Hillion is renowned for its natural beauty, particularly the Baie de Saint-Brieuc Nature Reserve, which boasts one of the world's largest tidal ranges and is a vital bird refuge. Key viewpoints include the Saint-Brieuc Bay Visitor Centre, offering panoramic vistas and educational exhibits, the Pointe des Guettes, and the Pointe du Roselier, providing stunning views of cliffs and the bay. You can also explore the dunes of Bon Abri.
The Baie de Saint-Brieuc Nature Reserve is an exceptional spot for birdwatching, especially during winter when it hosts over 40,000 birds from 112 species. The Saint-Brieuc Bay Visitor Centre provides information on the bay's ecology and offers nature outings, making it an ideal starting point for ornithology enthusiasts. The area around La Grève des Courses also offers excellent birdwatching opportunities.
Yes, Hillion offers several appealing beaches. Les Mielles Beach is known for its sandy shores and calm waters, making it ideal for families and various water sports. Lermot Beach is another excellent option for swimming and relaxation.
Hillion is rich in historical landmarks. The Viaduc des Ponts-Neufs, an arch bridge from 1913, spans the Gouessant Valley and can be crossed on foot or by bicycle, offering picturesque views. The Ponts-Neufs Viaduct is a popular highlight. You can also visit the historic Château de Bonabry for guided tours, the 11th-century Eglise Saint-Jean-Baptiste with its classic Breton architecture, and a large 15th-century colombier (dovecote).
Yes, the Saint-Brieuc Bay Visitor Centre (Maison de la Baie) is an essential stop. It provides a deeper understanding of the bay's ecology and history through interactive exhibits and educational activities. Additionally, you can explore two circuits designed to discover Hillion's built heritage, including chapels, calvaries, and laundries.
Hillion offers excellent opportunities for hiking. The famous GR 34 coastal path, also known as the Sentier des Douaniers, allows for adventurous hikes along the rugged coastline with breathtaking views. The area around La Grève des Courses is part of the GR34 and offers magnificent views. For more detailed routes, you can explore the hiking guides around Hillion.
Hillion and its surroundings are great for cycling. The Ponts-Neufs Viaduct can be crossed by bicycle, offering scenic views. You can find various cycling routes, including easy touring bicycle loops like 'Discovering Hillion' or more challenging road cycling and MTB trails. Explore options in the Cycling around Hillion, Road Cycling Routes around Hillion, and MTB Trails around Hillion guides.
Hillion provides several family-friendly options. The Saint-Brieuc Bay Visitor Centre offers interactive exhibits and educational activities about the bay's ecology. For a unique experience, the Ferme de Kerharo allows visitors to engage with animals and learn about organic farming practices. Additionally, beaches like Les Mielles are perfect for family outings.
While specific public transport details for reaching every attraction might vary, Hillion is a commune in Brittany, France. For information on public transport to attractions around Hillion, it's advisable to check local transport services. Many natural sites like beaches and viewpoints may have varying levels of accessibility. The Ponts-Neufs Viaduct has a pedestrian walkway, and the Saint-Brieuc Bay Visitor Centre is designed to be informative for all visitors.
The best time to visit Hillion for outdoor activities is generally during the warmer months, from spring to early autumn (May to September), when the weather is most favorable for hiking, cycling, and enjoying the beaches. This period offers pleasant temperatures for exploring the coastal paths and natural reserves. For specific weather conditions, you can check local forecasts.
Yes, you can experience local life at the Hillion Market, a bustling spot to find fresh produce, handmade crafts, and local delicacies. For a unique cultural insight, explore the two circuits available to discover Hillion's built heritage, including chapels, calvaries, and laundries, offering a glimpse into the region's past.
Beyond the prominent landmarks, Hillion's built heritage circuits reveal several lesser-known historical sites, including various chapels, calvaries, and old laundries scattered throughout the commune. These offer a deeper dive into the local history and traditional architecture. The 15th-century colombier (dovecote) is another unique historical structure worth discovering.


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