Best natural monuments around Kermaria-Sulard are located in Brittany's Côtes-d'Armor department, offering access to diverse natural landscapes. The region is characterized by its unique geological formations, particularly the Pink Granite Coast, which features distinctive rose-colored granite cliffs and rock formations. These sites provide opportunities for exploring coastal scenery, geological wonders, and varied ecosystems. The area combines dramatic coastlines with more secluded, lush valleys, showcasing a range of natural features.
Last updated: July 4, 2026
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What a great trail. Climbing on the stones, hearing the sea roar, the wind whistles around your ears. Whoever lets their imagination run wild can discover figures in many of the stones. What nature has created here over the years amazes me.
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The Phare de Mean Ruz, also known as the Ploumanac'h Lighthouse, is one of the most famous landmarks of Brittany's Pink Granite Coast. The original tower was built in 1860, but was destroyed during World War II and rebuilt in 1946 in its original form. Since 1948, it has once again emitted its signature flashing red light across the sea, visible for up to 11 nautical miles. At approximately 15 meters high, the lighthouse marks the entrance to Ploumanac'h Bay. Unfortunately, access to the lighthouse is closed to the public.
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The Ploumanac'h Lighthouse (Phare de Mean Ruz) is nestled among the striking pink granite cliffs. Built in 1946 from pink granite, it serves to ensure navigation by marking dangerous coves and cliffs. At approximately 15 meters high, the square tower is a popular photo subject and a typical stop for hikers on the historic Sentier des Douaniers (Customs Officers' Trail). Other nearby attractions include the Château du Diable and the Petite Baie de Ploumanac'h.
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Over millions of years, the interplay of wind, rain, sea, and erosion has carved the most incredible forms out of solid pink granite. Bizarre boulders rise from the ground everywhere, some resembling small castles, others resembling strange animals. Particularly striking is the Château du Diable, whose castle-like silhouette captures visitors' imaginations. The entire coastal landscape is so dramatic and unique that one almost feels as if they are in another world.
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La Roche des Poètes (The Rock of Poets) is an iconic site on the Pink Granite Coast near Ploumanac'h in Brittany, France. It pays homage to the writers and poets who were inspired by this place, including Gabriel Vicaire, Anatole Le Braz, and Charles Le Goffic. A medallion bearing the image of each poet adorns the rock, symbolizing a literary pilgrimage and an annual festival that has been held there since 1910.
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The current lighthouse was built in 1946 to replace the original 1860 lighthouse that German forces destroyed in August 1944, with architects required to harmonize the design with the protected surrounding landscape. The lighthouse features interior mosaics created by renowned Rennes artist Isidore Odorico and offers panoramic views of Costaérès Castle and the Seven Islands archipelago.
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The Grand Site Naturel de Ploumanac’h, on the Pink Granite Coast in Brittany, is a true natural spectacle. Its impressive rock formations, with unique pink hues, stand facing the sea, sculpted by the waves and the wind. Accessible by the coastal path (GR34), this walk offers striking panoramas of the coast, with its wild coves, its emblematic lighthouses and its offshore islands.
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The lighthouse (Phare de Ploumanac'h) Mean Ruz was rebuilt in granite in 1947 after its destruction in the Second World War
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Visitors frequently enjoy the iconic Along the pink granite coast, known for its breathtaking scenery and impressive 300-million-year-old pink granite cliffs. Another highly regarded spot is the Mean Ruz Lighthouse, which stands majestically amidst rugged granite rocks, offering stunning coastal views.
The region is renowned for its distinctive rose-colored granite formations, particularly along the Pink Granite Coast. You'll encounter bizarre boulders carved by natural erosion, some resembling castles or animals, creating a unique coastal landscape. Beyond the coast, areas like the Vallée des Traouïero offer lush green valleys with unique rock formations and grottoes, providing a different natural experience.
Yes, many areas along the Pink Granite Coast are suitable for families. The well-maintained hiking trails around Ploumanac'h, for instance, allow for close-up views of the unique rock formations, which can spark children's imaginations. The Mean Ruz Lighthouse area is also considered family-friendly, offering accessible paths and scenic views.
The area offers a variety of hiking experiences. The historic Sentier des Douaniers (Customs Officers' Path) provides scenic coastal walks, often winding through the impressive pink granite cliffs. For a different environment, the Vallée des Traouïero offers a more secluded, 'green' hiking experience with unique rock formations and local folklore. Many trails are well-maintained, though some sections, especially along the coast, may require climbing over rocks.
The natural monuments are beautiful year-round, but the spring and autumn months often offer pleasant temperatures for hiking and fewer crowds. In spring, the flora is vibrant, while autumn brings unique light to the pink granite. Summer is popular for coastal activities, but can be busier. Even in winter, the dramatic coastal scenery can be very striking, though some paths might be more challenging.
Beyond the well-known Pink Granite Coast, the Vallée des Traouïero offers a more secluded and magical experience with unique rock formations like 'la Maison des Korrigans' and 'le Trou de l'Enfer'. Another unique spot is Smugglers' Cave, which offers a challenging but rewarding hike through narrow rock passages, steeped in local legends of korrigans and hidden treasures.
Yes, particularly at the Réserve Naturelle Nationale des Sept-Îles, a vital bird sanctuary located about 15 km from Kermaria-Sulard. This archipelago is home to a large variety of seabirds, including puffins, gannets, and cormorants. Boat trips around the islands offer excellent opportunities for birdwatching and observing marine life in its natural habitat.
The region around Kermaria-Sulard is excellent for various outdoor activities. You can enjoy cycling on routes like the 'Vallée du Ru – Vallée du Ru loop' or 'Étang de Saint-Éloi – Bois Riou Pond loop'. For road cycling enthusiasts, there are routes such as 'View above Ploumanach – Pointe de Bihit in Trébeurden loop'. Gravel biking is also popular, with trails like 'Kerdéozer viaduct/bridge – Saint-François footbridge loop'. You can find more details on these activities in the cycling guide, road cycling guide, and gravel biking guide for the area.
Yes, the region beautifully blends natural beauty with historical elements. The Sentier des Douaniers, for example, is a historic coastal path once used by customs officers. Additionally, Poétés Rock near Ploumanac'h is an iconic site that pays homage to writers and poets inspired by the Pink Granite Coast, featuring medallions of literary figures.
Visitors consistently praise the truly beautiful scenery, describing the Pink Granite Coast as a 'walking paradise'. Many are captivated by the unique geological formations and the dramatic coastal vistas. The well-maintained trails and the opportunity to explore bizarre boulders and hidden coves are also frequently highlighted as enjoyable aspects of the experience.
Île Milliau, located about 17 km from Kermaria-Sulard, offers a unique experience as it is accessible on foot at low tide. This island provides a tranquil escape with diverse flora and fauna, small beaches, and wooded areas. It's a peaceful spot ideal for walking, picnicking, and enjoying the serene coastal environment, with its accessibility adding an adventurous element to the visit.
For visits in autumn, it's advisable to wear layers as the weather can be changeable. Comfortable, sturdy walking shoes or hiking boots are essential, especially if you plan to explore the coastal paths or rocky areas. A waterproof or windproof jacket is also recommended, as coastal winds can be strong and sudden showers are possible.


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