Best natural monuments around Ploumoguer are characterized by a dramatic coastline, significant geological formations, and protected natural areas. This region in Brittany, France, offers a diverse natural heritage, including the westernmost point of mainland France. Visitors can explore ancient geological sites, panoramic viewpoints, and ecologically important coastal landscapes. The area provides opportunities to observe unique rock formations and expansive sea views.
Last updated: July 3, 2026
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The westernmost point of mainland France. Only the Rhine separates us from the easternmost city, Lauterbourg. It's nice that Lauterbourg is mentioned here.
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Past the menhir, breathtaking view of Ouessant (in clear weather:))
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It is so large that it can be seen from far away. There is a parking lot with space for about eight cars two hundred meters from the Menhir. A circle of stones surrounds the monument. A group of trees and a couple of benches invite you to stay a while and marvel at the colossus...
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Beyond being a simple point like Brittany with many, that of Corsen has the particularity of being located in the extreme west of mainland France (4° 47′ 44″ west to be precise). On a clear day, you can observe Ouessant and the Molène archipelago.
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Very beautiful view from the heights of the cliff. The landscapes to the west are particularly wild. Towards the east you can see Fort Bertheaume, and further away, Porsmilin beach.
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Great big hinkelstein, worth a stop!
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Well done and very informative!
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Ploumoguer offers a diverse range of natural monuments. You can visit the dramatic Corsen Point, the westernmost point of mainland France, offering expansive views of the Iroise Sea. Another significant site is the Kerloas Menhir, reputed to be the tallest in France, standing almost 10 meters high and erected around 5,000 years ago. Don't miss Créac'h Meur Point for its wild cliff-top views towards Fort Bertheaume and Porsmilin beach.
The region is rich in geological marvels. The Falaise de Brenterc'h (Brenterc'h Cliff) features a 30-meter vein of dark dolerite stone, a magmatic rock approximately 200 million years old, providing a tangible link to the Armorican Massif's formation and the breakup of Pangea. The Anse de Brenterc'h is recognized as a geological site of interest in Brittany. Additionally, the coastline near Kerhornou beach showcases notable paragneiss migmatitic cliffs.
Yes, beyond its natural beauty, Ploumoguer has historical significance. The Kerloas Menhir is a prominent historical site, an ancient standing stone erected around 5,000 years ago. The Falaise de Brenterc'h also holds historical importance for traditional seaweed harvesting, with visible remains of 'fours à goémon' (seaweed ovens) used to produce soda ash.
Yes, the dramatic coastline and natural monuments are excellent for hiking. You can find various trails, including coastal paths like the GR34, which often pass by these sites. For more detailed routes, explore the MTB Trails around Ploumoguer guide, which also includes routes suitable for hiking, such as the 'Croaë Footbridge – Corsen Point loop from Plouarzel'.
Ploumoguer offers several cycling opportunities that allow you to explore its natural monuments. The Cycling around Ploumoguer guide features routes like the 'Plage des Blancs Sablons – Porskaolenn Beach loop from Lighthouse Trézien' and the 'Kermorvan Peninsula – Croaë Footbridge loop from Le Conquet', which take you through scenic coastal areas and past points of interest.
Many of Ploumoguer's natural monuments are family-friendly. For instance, Corsen Point and the Kerloas Menhir are accessible and enjoyable for all ages. The Belvédère de Keramézec, with its re-developed facilities and interpretive trail, is also an ideal spot for families, offering question-and-answer games about France's highest points.
The natural monuments around Ploumoguer can be visited year-round, but the best time is generally from spring to early autumn (April to October) when the weather is milder and more conducive to outdoor activities. Clear days offer the most spectacular panoramic views from viewpoints like the Belvédère de Keramézec and Corsen Point.
Absolutely. The Belvédère de Keramézec is the highest point in the Pays d'Iroise, offering breathtaking panoramic vistas across the entire Pays d'Iroise and extending to the Molène archipelago. Corsen Point and Créac'h Meur Point also provide dramatic cliff-top views of the Iroise Sea and the rugged coastline.
The entire coastline of Ploumoguer is considered a natural monument due to its dramatic and varied landscape. It features a succession of sandy beaches like Kerhornou and Illien, nestled between dunes and cliffs. This diverse environment, combined with its unique geology and status as part of the Natura 2000 network for biodiversity preservation, makes it a significant natural heritage site.
The Belvédère de Keramézec was re-developed in 2012 with accessibility in mind, including parking and an interpretive trail, making it a good option for wheelchair users to enjoy panoramic views. For other sites, accessibility may vary due to the rugged coastal terrain, so it's advisable to check specific conditions.
Generally, dogs are welcome on leads along many of the coastal paths and at natural sites in Ploumoguer, including places like Corsen Point. However, it's always best to check local signage for any specific restrictions, especially in protected areas or on certain beaches during peak seasons.
Visitors particularly enjoy the dramatic coastal scenery, the expansive sea views, and the sense of being at the edge of mainland France. The unique geological formations, like those at Falaise de Brenterc'h, and the historical significance of sites like the Kerloas Menhir, also captivate many. The wild and untamed nature of the coastline, perfect for hiking and photography, is frequently highlighted.


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