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Plélan-Le-Grand

Top 5 Natural Monuments around Plélan-Le-Grand

Natural monuments around Plélan-Le-Grand are concentrated in a region of Brittany, France, situated at the edge of the expansive Brocéliande Forest. This area is characterized by its diverse landscapes, including ancient woodlands, moors, and numerous ponds, many of which are steeped in Arthurian legends. The natural features provide a setting for various outdoor activities, including hiking trails and walking routes, offering a blend of natural beauty and historical significance.

Best natural monuments around Plélan-Le-Grand

  • The most popular natural monuments is Barenton Fountain, a natural monument located in the middle of the Paimpont forest. According to Arthurian legend, this is where Merlin would have met the fairy Viviane.
  • Another must-see spot is Pont Dom Jean Pond, a beautiful body of water and a calm, peaceful place. It is located in the Brocéliande between the castle of Comper and the tomb of Merlin, offering a tranquil setting for a break or picnic.
  • Visitors also love Guillotin Oak, a remarkable tree with nearly 10 meters in circumference. This oak, listed as a “remarkable tree,” is three to four centuries old and is associated with local legends.
  • Plélan-Le-Grand is known for its ancient trees, serene ponds, and legendary sites. The area offers a variety of natural monuments to see and explore, from mythical fountains to expansive forests.
  • The natural monuments around Plélan-Le-Grand are appreciated by the komoot community, with more than 80 upvotes and 30 photos shared by visitors.

Last updated: May 23, 2026

Guillotin Oak

Highlight • Natural Monument

With nearly ten meters in circumference, the Guillotin oak is the largest among the country's remarkable trees. Legend has it that a refractory priest named Guillotin hid there during the Revolution. On site, a panel further details the history of the tree.

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Pont Dom Jean Pond

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L'étang du Pont Dom Jean is a beautiful body of water and a calm and peaceful place. It is located in the Brocéliande between the castle of Comper and the tomb of Merlin.

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Barenton Fountain

Highlight • Natural Monument

It is located in the middle of the Paimpont forest near the village of Folle Pensée. According to Arthurian legend, it is here that Merlin would have met the fairy Viviane.

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Large beech in the Paimpont forest

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Lost pond in the forest

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The Dragon's Ridge

Highlight • Natural Monument

a rocky band at an altitude of 240m reminiscent of the backbone of a Dragon. a magnificent point of view on the forest of brocéliande close to the golden tree ...

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Tips from the Community

Jockel
January 31, 2026, Grand hêtre dans la forêt de Paimpont

Added to the collection: komoot.com/de-de/collection/3600632/-naturdenkmaeler-besondere-baeume-und-weitere-schaetze-der-natur

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Very beautiful view, excellent spot for a break or a picnic

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This oak, listed as a “remarkable tree,” is three to four centuries old. It owes its name to the abbot of the same name who took refuge there in 1791 for several years.

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Merlin's spirit blows over the site

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Lost in the lower Brocéliande forest (on the edge of the Paimpont national forest), between the Château de Comper and the Tombeau de Merlin, the Pont Dom Jean pond is a superb body of water, a calm and peaceful place, far from the roads... (broceliande.guide)

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L'étang du Pont Dom Jean is a beautiful body of water and a calm and peaceful place. It is located in the Brocéliande between the castle of Comper and the tomb of Merlin.

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With nearly ten meters in circumference, the Guillotin oak is the largest among the country's remarkable trees. Legend has it that a refractory priest named Guillotin hid there during the Revolution. On site, a panel further details the history of the tree.

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great pond

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Frequently Asked Questions

What are the most popular natural monuments around Plélan-Le-Grand?

The most popular natural monuments in the area include the legendary Barenton Fountain, nestled deep within the Paimpont forest, and the tranquil Pont Dom Jean Pond, a peaceful spot between the Château de Comper and Merlin's Tomb. Another highly regarded site is the ancient Guillotin Oak, a remarkable tree with a circumference of nearly 10 meters, steeped in local legends.

Are there family-friendly natural monuments to visit near Plélan-Le-Grand?

Yes, several natural monuments are suitable for families. The Guillotin Oak and the Pont Dom Jean Pond offer easy access and pleasant surroundings for all ages. Additionally, the Large beech in the Paimpont forest is another accessible natural feature. Lac de Trémelin, while not a specific highlight in the guide, is also known for its family-friendly activities like swimming and pedal boating during summer.

What kind of outdoor activities can I do near these natural monuments?

The region offers a variety of outdoor activities. The vast Forêt de Brocéliande features nearly 200 signposted routes perfect for hiking, cycling, and horseback riding. For specific routes, you can explore options like running trails, cycling routes, and gravel biking adventures around Plélan-Le-Grand.

What natural features can I expect to see in the Plélan-Le-Grand area?

You can expect to encounter diverse natural features, primarily within the expansive Forêt de Brocéliande. This includes ancient woodlands, serene ponds like Pont Dom Jean Pond, heathlands, and unique geological formations such as The Dragon's Ridge. The area is also home to remarkable individual trees like the Guillotin Oak and the Large beech in the Paimpont forest.

Are there any historical or legendary sites among the natural monuments?

Absolutely. The entire Forêt de Brocéliande is steeped in Arthurian legends. The Barenton Fountain is famously where Merlin is said to have met the fairy Viviane. The Guillotin Oak also has its own local legend, named after a priest who reportedly hid there during the Revolution.

What is the best time of year to visit the natural monuments around Plélan-Le-Grand?

The best time to visit is generally from spring to autumn (April to October) when the weather is mild and the natural landscapes are vibrant. Spring brings lush greenery and blooming flora, while autumn offers stunning fall colors in the forests. Summer is ideal for water activities at Lac de Trémelin, though it can be busier.

Are there any viewpoints offering panoramic views of the region?

Yes, The Dragon's Ridge is a notable viewpoint, offering magnificent perspectives over the Brocéliande forest from its rocky band at 240m altitude. The Pont Dom Jean Pond also provides beautiful, serene views.

Can I bring my dog to the natural monuments and trails?

Many trails and natural areas within the Forêt de Brocéliande are dog-friendly, especially if kept on a leash. Specific rules may apply to certain protected areas or facilities, so it's always best to check local signage. Generally, the forest paths and pond surroundings are welcoming for dogs.

What wildlife might I spot in the natural areas?

The Forêt de Brocéliande is home to a variety of wildlife. You might spot deer, roebuck, squirrels, and hedgehogs. The region is also rich in bird species. Lac de Trémelin and the preserved wetlands around Plélan-Le-Grand are particularly good for birdwatching and observing local ecosystems.

Are there any hidden natural gems worth exploring?

Beyond the well-known sites, the region is dotted with numerous smaller ponds like those of Trégu, Trécouët, Perray, and Forges, which offer peaceful settings for walks and picnics. The preserved wetlands (Jardins d'agrément) within Plélan-Le-Grand itself are also unique, showcasing local biodiversity and eco-friendly land management.

How long does it typically take to visit the natural monuments?

The duration of your visit can vary greatly. You could spend a few hours exploring a single site like the Barenton Fountain or the Guillotin Oak. To fully immerse yourself in the Forêt de Brocéliande and visit multiple sites, including hiking or cycling, you could easily spend a full day or even several days.

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