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Côtes-d'Armor

Lannion

Top 20 Natural Monuments around Lannion

Best natural monuments around Lannion are primarily found along the Pink Granite Coast, a unique geological area. This region features distinctive pink-hued granite rock formations sculpted by natural elements over millions of years. The Léguer Valley, which runs through Lannion, is recognized for its diverse ecosystem, including salmon and otters, and is designated as a "Wild Rivers Site." These areas offer opportunities for outdoor activities and observation of unique natural landscapes.

Best natural monuments around Lannion

  • The most popular natural…

Last updated: May 4, 2026

Along the pink granite coast

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The Rose Granite Coast of Brittany is truly beautiful, a walking paradise in Plouganace, Tregastel and Perrros -Guirec. Please note that you occasionally have to climb over the rocks. We …

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Mean Ruz Lighthouse

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The Phare de Ploumanac’h stands in the middle of the rugged granite rocks. (officially: Phare de Mean Ruz). It was built around 1860, destroyed during the war and rebuilt in …

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Pink Granite Coast

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The Côte de Granit Rose is an Eldorado for hiking

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Pink Granite Coast

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It runs well

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The Plougrescant Chasm

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This remarkable site, but above all impressive by the harshness of the landscape, increases tenfold the impression of being in hell during gusts of wind. At this moment, the breaking …

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Rock formation near Ploumanac'h

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A very well-maintained hiking trail leads through the pink granite cliffs of Ploumanach’h. They are over 300 million years old and cover an area of 25 hectares. Great.

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Sainte-Anne des Rochers Chapel

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The motif shown by Gabi in the photo of the church window is the most unusual depiction of an "ANNA SELBDRITT" I have ever seen. Background: Anna is the mother …

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Sillon de Talbert viewpoint

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The Talbert furrow is a sandy and pebble tongue that juts out into the sea and stretches for more than 3.2 kilometers. The furrow is protected as a natural site by the Conservatoire du littoral.

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Kerguntuil Megaliths

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A large, a really large stone slab as a cover – I was really astonished.
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The stone monuments of Kerguntuil are remains …

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Smugglers' Cave

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The rocks are sometimes so narrow that you have to snake through and those who are taller than 1.60 m should be a semi-professional limbo dancer in order to be …

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Stefan Weber aus Littfeld
March 28, 2026, Côte de Granit Rose

Ploumanac’h is a small fishing village on the northern coast of Brittany, the so-called Côte de Granit Rose, the pink granite coast. The formerly independent village now belongs to the municipality of Perros-Guirec.

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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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Particularly impressive is the coast at Ploumanac'h, a picturesque town known for its bizarre rock formations. Here, granite cliffs rise from the ground in sometimes bizarre shapes, offering spectacular views of the sea. One highlight is the Ploumanac'h lighthouse, perched on a rock and a popular photo opportunity.

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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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The roof table measures 5.75 m long, 3.55 m wide and 0.75 m thick. The orthostat on the north side measures 2 m high, 1.50 m wide and 0.20 m thick. It continues to the west with a dry stone wall which does not appear to be original. The orthostat on the west side is slightly domed. It measures 2.55 m wide by 2.305 m high with a thickness between 0.40 m at the base and 0.30 m at the top. The southern orthostat is backed by the slope. It measures 2.50 m wide, 2.40 m high and 0.35 m thick. The internal chamber measures 5 m long by 3 m wide with a height under the slab of 2 m

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Glen Sobel
September 11, 2025, Côte de Granit Rose

The pink granite formed approximately 300 million years ago in the Upper Carboniferous during the Variscan orogeny, a period of mountain building resulting from the collision of the ancient continents Gondwana and Laurussia, as well as several microplates. Erosion of the overlying layers of the earth and gradual degradation due to rising sea levels after the last ice age led to a widening of the fracture surfaces of the orthogonal fracture system and the formation of the special rock formations. These are best viewed on the old Customs Officers' Path (French: Sentier des Douaniers) from Perros-Guirec to Ploumanac'h. The granite owes its characteristic color to its hematite and alkali feldspar content.

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If you pass by it's quite nice, but it's not worth making the extra trip!

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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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Frequently Asked Questions

What are the most notable natural landmarks and viewpoints around Lannion?

The region around Lannion is renowned for its unique geological formations. You can explore the spectacular Pink Granite Coast, famous for its distinctive pink-hued granite rocks. Other significant sites include the dramatic Plougrescant Chasm, where the sea crashes against huge granite blocks, and the Sillon de Talbert viewpoint, a unique sand and pebble spit extending into the sea.

Are there family-friendly natural attractions near Lannion?

Yes, several natural monuments around Lannion are suitable for families. The Mean Ruz Lighthouse offers an accessible viewpoint amidst rugged granite rocks. The Plougrescant Chasm is also considered family-friendly, providing an impressive display of nature's power. Additionally, the Kerguntuil Megaliths offer an interesting historical and natural site for all ages.

What outdoor activities can I do near these natural monuments?

The natural monuments around Lannion are perfect for various outdoor activities. The Pink Granite Coast is an excellent area for hiking, with trails like the Sentier des Douaniers offering access to hidden coves and dramatic cliffs. The Léguer Valley provides opportunities for hiking, cycling, and birdwatching. For more specific routes, you can find numerous hiking trails, running trails, and MTB trails in the area.

What is the best time of year to visit the natural monuments around Lannion?

The natural monuments around Lannion, particularly the Pink Granite Coast, are beautiful year-round. However, for hiking and enjoying the coastal scenery, the spring and autumn months offer pleasant temperatures and fewer crowds. Summer is also popular, but can be busier. Winter hiking is possible, but be prepared for potentially strong winds and cooler temperatures, especially along the coast.

Are there any easy walks or trails suitable for beginners around Lannion's natural monuments?

Yes, there are several easy options. The tour of Île Renote is an easy loop that allows you to experience the unique pink granite formations and changing coastal landscape. The Sillon de Talbert viewpoint also offers a relatively flat and easy walk along the sand and pebble spit, perfect for a relaxed stroll.

What kind of geological features define the natural monuments in this region?

The region is primarily defined by its distinctive pink granite formations, particularly along the Pink Granite Coast. These rocks have been sculpted over millions of years by wind, rain, and sea, creating bizarrely shaped boulders that resemble castles or animals. The interplay of this pink granite with the blue sea creates a visually captivating landscape unique to the area.

Are dogs allowed on hiking trails near the natural monuments, such as the Sentier des Douaniers?

Many trails along the Pink Granite Coast, including sections of the Sentier des Douaniers, are generally dog-friendly, especially if dogs are kept on a leash. However, it's always advisable to check local signage at specific natural sites or protected areas for any restrictions, particularly concerning wildlife conservation or nesting birds.

Where can I find parking for natural monuments near Lannion?

Parking is generally available near popular natural monuments. For instance, there is parking close to the Plougrescant Chasm. For coastal areas like the Pink Granite Coast and Île Renote, designated parking lots can be found in towns such as Trégastel and Perros-Guirec, which serve as access points to the trails and viewpoints.

What makes the Léguer Valley a significant natural monument?

The Léguer Valley, which flows through Lannion, is recognized for its rich and diverse ecosystem. It is notable for being home to salmon and otters and holds the distinction of being the only river in Brittany designated as a 'Wild Rivers Site.' This designation highlights its ecological importance and pristine natural state, offering excellent opportunities for wildlife observation.

Are there any hidden gem natural monuments or less-known spots worth visiting?

While the Pink Granite Coast is widely known, exploring areas slightly off the main tourist paths can reveal hidden gems. The Smugglers' Cave offers a more challenging and adventurous natural experience. Additionally, the Sillon de Talbert Nature Reserve, while popular, offers unique ecological wealth and birdwatching opportunities that might be less explored by casual visitors.

What do visitors enjoy most about the natural monuments around Lannion?

Visitors consistently praise the breathtaking scenery of the Pink Granite Coast, often describing it as an 'Eldorado for hiking' and an 'otherworldly' landscape. The unique pink granite formations, the dramatic interplay of land and sea, and the well-maintained hiking trails are frequently highlighted. Many appreciate the opportunity to observe the raw power of nature, especially at sites like the Plougrescant Chasm.

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