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Saint-Gildas-De-Rhuys

Top 19 Natural Monuments around Saint-Gildas-De-Rhuys

Best natural monuments around Saint-Gildas-De-Rhuys are found on the Rhuys Peninsula, characterized by dramatic coastlines, geological formations, and panoramic views. This region offers a landscape ideal for exploration, featuring a variety of natural and historical sites. Visitors can experience the interplay of land and sea that defines the Breton coast. The area provides opportunities for hiking and exploring preserved coastal ecosystems.

Best natural monuments around Saint-Gildas-De-Rhuys

  • The most popular natural monuments is Dolmen des Pierres Plates, a historical site…

Last updated: July 4, 2026

Dolmen des Pierres Plates

Highlight • Historical Site

The dolmens here in Locmariaquer fascinated me a lot, a reason to come back here.

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The Duer ornithological reserve is an old salt pan now inhabited by tens of thousands of birds. From the two hides installed occasionally, it is possible to observe specimens throughout …

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Bilgroix Point

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Here you can observe the strong tidal flow in the Gulf of Morbihan.

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Butte de César

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Caesar's Mound is a tumulus 56 meters in diameter and 18 meters high. This pile of stones, covered with a layer of silt and black earth, was explored in 1853. …

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Pointe de Brouel

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Pointe de Brouel is the westernmost part of the Island of Arz (Morbihan).

This similarity in name with the nearby Pointe de Brouel on Île aux Moines originated four thousand …

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Popular around Saint-Gildas-De-Rhuys

The Customs Officers’ path – GR 34 in Brittany part 3

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The Customs Officers’ path – GR 34 in Brittany part 3

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Stefano Lombardi
August 5, 2025, Observation Tower 2 of Marais du Duer

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Nice observation tower but not very suitable for telescopes. Binoculars are preferable. The windows are in the way but avoid disturbing the wildlife and protect from the rain. The Duer is also a walk along the gulf on the waters of which many migratory birds, among others, meet. Too bad we can't put some very recent photos here.

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Den
December 22, 2024, Dolmen des Pierres Plates

A site full of history, with a magnificent view of the bay of Quiberon. Be sure to respect the regulations of the place!

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The observatory is a beautiful wooden tower where you can observe many species of birds. The windows inside are unfortunately dirty with time.

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Alex
September 19, 2024, Dolmen des Pierres Plates

Interesting dolmen right by the sea.

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Breton curiosity to discover

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Seb
June 2, 2024, Butte de César

The Tumiac tumulus is located in Arzon, on the Rhuys peninsula, south of the Gulf of Morbihan, in Brittany. It is also known as Caesar's Mound because, according to local legend, it served as an observatory for Julius Caesar during his war against the Veneti in 56 BC. This building belongs to the large "Carnacean" tumulus, burials of Neolithic elites, such as the Saint-Michel tumulus, in Carnac, and the Ruyk tumulus, in Locmariaquer. https://fr.m.wikipedia.org/wiki/Tumulus_de_Tumiac

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Beautiful views of the islands of the Gulf of Morbihan.

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Frequently Asked Questions

What are some popular natural monuments to visit on the Rhuys Peninsula?

The Rhuys Peninsula offers several impressive natural monuments. You can explore the ancient Dolmen des Pierres Plates, known for its historical significance and seaside location. Another popular spot is Bilgroix Point, offering stunning views of the Gulf of Morbihan and its strong tidal flows. For wildlife enthusiasts, the Observation Tower 2 of Marais du Duer provides excellent birdwatching opportunities.

Are there hiking trails near the natural monuments in Saint-Gildas-De-Rhuys?

Yes, the region is excellent for hiking. The famous GR34 coastal path runs through areas like Pointe du Grand Mont, offering dramatic cliffs and clear-water coves. You can find various routes, including the 'Magnificent coastal path – Grand-Mont Point loop' which is an easy 6 km walk. For more options, explore the hiking guide for Saint-Gildas-De-Rhuys.

What kind of views can I expect from the natural monuments?

The natural monuments around Saint-Gildas-De-Rhuys offer breathtaking panoramic views. From Bilgroix Point, you can see the islands of the Gulf of Morbihan. Pointe du Grand Mont provides spectacular vistas of the Atlantic Ocean, Houat, Hoëdic, Belle-Île-en-Mer, and the Quiberon peninsula. The Cairn de Petit Mont also offers exceptional views of the Bay of Quiberon and the Gulf of Morbihan.

Are the natural monuments suitable for families with children?

Many natural monuments in the area are family-friendly. Dolmen des Pierres Plates offers an engaging historical experience by the sea. The Observation Tower 2 of Marais du Duer is great for kids interested in birdwatching. The coastal paths, while rugged in some parts, also offer easier sections for family walks and opportunities to explore small coves.

Can I observe wildlife at these natural monuments?

Absolutely. The Observation Tower 2 of Marais du Duer is specifically designed for birdwatching, located within an ornithological reserve that hosts tens of thousands of birds, including geese, teal, stilts, and terns. The preserved coastal ecosystems along the Rhuys Peninsula also provide habitats for various other species.

What historical sites are considered natural monuments in this region?

The region beautifully blends natural beauty with ancient history. The Dolmen des Pierres Plates is a significant historical site featuring dolmens with a menhir and carved drawings, located directly by the sea. The Cairn de Petit Mont, while primarily a megalithic monument dating back over 6,000 years, is set within a preserved natural area offering exceptional views.

What is the best time of year to visit the natural monuments around Saint-Gildas-De-Rhuys?

The natural monuments are beautiful year-round. Spring and autumn offer pleasant temperatures for hiking and fewer crowds. Summer is ideal for enjoying the beaches and coves. Even in winter, the wild character of the coast and invigorating walks along the GR34 can be a unique experience, though you should dress warmly.

Are there cycling routes near the natural monuments?

Yes, the Rhuys Peninsula offers several cycling opportunities. You can find routes like 'On the Rhuys peninsula — loop in the Parc naturel régional du Golfe du Morbihan' or easier options like 'Kerver Beach – Goh Velin Beach loop'. For a comprehensive list, check out the cycling guide for Saint-Gildas-De-Rhuys.

What makes Pointe du Grand Mont a significant natural monument?

Pointe du Grand Mont is a significant headland on the Rhuys Peninsula, renowned for its spectacular panoramic views of the Atlantic Ocean and surrounding islands. Its rugged, arid coastline, dramatic cliffs, and clear-water coves make it a prime spot for hikers, with the GR34 coastal path running through it. The area's wild character is shaped by westerly winds, and the cliffs display vibrant ocean colors.

Can I bring my dog to the natural monuments?

While many outdoor areas in France are dog-friendly, it's always best to check specific regulations for each site, especially for protected natural areas or bird reserves like Marais du Duer. Generally, dogs are allowed on coastal paths like the GR34, but should be kept on a leash to protect wildlife and ensure the safety of other visitors.

What are the characteristics of the coastline around Saint-Gildas-De-Rhuys?

The coastline around Saint-Gildas-De-Rhuys is characterized by its dramatic interplay of land and sea. You'll find rugged coastlines, geological formations, and a succession of coves and cliffs. The area is known for its strong tidal flows, particularly visible at points like Bilgroix Point, and offers diverse landscapes from arid headlands to small, sheltered beaches.

Are there any easy-to-access natural monuments for a short visit?

Yes, for a relatively easy and rewarding visit, Dolmen des Pierres Plates is easily accessible and located directly by the sea. Bilgroix Point also offers stunning views with relatively easy access, making it suitable for shorter visits to observe the Gulf of Morbihan.

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