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Lassy

Attractions and Places To See around Lassy - Top 20

Best attractions and places to see around Lassy include a mix of historical sites, natural landscapes, and tranquil water bodies. The region offers opportunities to explore castles, abbeys, and protected natural areas. Visitors can experience diverse environments ranging from forests with lakes to historical monuments. The area provides a variety of settings for outdoor activities and cultural exploration.

Best attractions and places to see around Lassy

  • The most popular attractions is Pontarmé Castle, a castle that serves as a…

Last updated: July 6, 2026

Pontarmé Castle

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In the middle of the 14th century, the Bouteillers family sold most of its properties. They are therefore bought by Robert de Lorris, chamberlain of the king who becomes lord …

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Royaumont Abbey

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The abbey is open to the public. Entrance fee for a very interesting visit to this beautiful place steeped in history...

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The Commelle ponds

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The ponds of Commelles are part of the beautiful forest of Chantilly and therefore of the Regional Natural Park Oise-Pays de France It is a protected site, rich in biodiversity, …

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The Blue Lake of Carnelle

Highlight • Forest

Lac Bleu is one of the two bodies of water in the Carnelle forest. On sunny days, its name takes on its full meaning. But there is another reason for …

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Nice technical section

Highlight (Segment) • Forest

Nice section of about a kilometer. Very popular with mountain bikers, it is very interesting for trail running. On rainy days this segment can get very muddy. So choose your …

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Georgy Pichery
March 20, 2026, Abbaye de Royaumont

A place to recharge your batteries

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What is to be remembered from this route is the passage through the Carnelle forest. However, there are too many roads on the Isle Adam and along the Oise. No particular difficulty.

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Beautiful castle 🏰 nice place for hiking 🤩

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Very beautiful abbey. I recommend the tour and the restaurant which is incredible.

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pretty lake hidden in the middle of the forest

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Beautiful place I highly recommend for both hikers and cyclists

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Truly magnificent Château de Pontarmé 😍

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nice place, always nice to take a detour

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Frequently Asked Questions

What kind of natural landscapes can I explore around Lassy?

The region around Lassy offers diverse natural settings. You can visit the protected natural site of The Commelle ponds, known for its rich biodiversity and as a popular spot for walkers within the Chantilly forest. Another beautiful natural area is the Carnelle forest, home to The Blue Lake of Carnelle, an artificial lake with a unique deep blue color due to its gypsum and marl bottom, surrounded by oaks, beeches, and chestnuts. Additionally, Le Petit Étang de Carnelle provides a peaceful setting for walks and fishing.

Are there historical sites or cultural attractions to visit near Lassy?

Yes, Lassy is surrounded by several significant historical and cultural sites. You can observe the impressive Pontarmé Castle, a beautiful country residence that can be viewed from the exterior. Another notable site is Royaumont Abbey, a historical and religious building open to the public, offering a very interesting visit steeped in history, with parks and a lake to explore.

What outdoor activities are popular around Lassy?

The area around Lassy is excellent for various outdoor activities. Hiking is very popular, with trails like the easy "Hérivaux Abbey – Plateau de Thimecourt Fosses loop from Lassy." You can find more hiking routes in the Hiking around Lassy guide. For cyclists, there are numerous options, including road cycling routes in the Road Cycling Routes around Lassy guide and general cycling tours in the Cycling around Lassy guide. Many natural sites, like The Commelle ponds, are ideal for walking and observing wildlife.

Are there family-friendly attractions in the Lassy area?

Absolutely. Many attractions around Lassy are suitable for families. Natural sites like The Commelle ponds, The Blue Lake of Carnelle, and Le Petit Étang de Carnelle offer pleasant walks and opportunities to enjoy nature. Historical sites such as Pontarmé Castle (viewable from the exterior) and Royaumont Abbey also welcome families, providing educational and engaging experiences.

What do visitors particularly enjoy about the attractions around Lassy?

Visitors frequently praise the tranquility and natural beauty of the area. Many appreciate the peaceful atmosphere of places like Le Petit Étang de Carnelle, ideal for quiet walks and watching fishermen. The rich biodiversity of The Commelle ponds, with its thousands of frogs in March, is also a highlight. The historical depth of sites like Royaumont Abbey is also highly valued, offering a glimpse into the region's past.

Can I go fishing at any of the lakes or ponds near Lassy?

Yes, fishing is permitted at Le Petit Étang de Carnelle. This artificial pond, located in the heart of old marl quarries, is a peaceful spot where you can often see fishermen. However, swimming is prohibited there for safety reasons.

Are there any specific natural areas known for wildlife observation?

The Commelle ponds, part of the Chantilly forest, are a protected natural site renowned for their rich biodiversity. In March, thousands of frogs can be observed, making it a fantastic spot for wildlife enthusiasts. The area is also home to various other species, making it a rewarding place for nature observation.

What is the best way to experience the natural beauty of the Canut Valley in Lassy (Ille-et-Vilaine)?

The Canut Valley, located in Lassy (Ille-et-Vilaine), is best explored on foot. It features remarkable panoramas, woods, meadows, and moors, with a rich diversity of flora and fauna. There are marked trails available, including a 2.7-kilometer path highlighting key spots. You can also visit the Moulin du Ritoir (Ritoir Mill), which houses the "Maison des Énergies" and offers an "Energy Trail" through the valley. For more information, you can visit the Ille-et-Vilaine tourism website.

What is the significance of Mont Pinçon near Lassy (Calvados)?

Mont Pinçon, located near Lassy in Calvados, is the highest point in the department, standing at 362 meters. It offers expansive panoramic views of the surrounding Bocage Normand and features a military memorial. A prominent 200-meter television transmitter tower also marks its summit, making it a significant landmark in the region.

Are there any notable abbeys or châteaux in the wider region around Lassy (Calvados)?

Yes, the Calvados region around Lassy is rich in historical abbeys and châteaux. You can visit the impressive Royaumont Abbey, which is open to the public. Further afield, you'll find the significant Château de Carrouges, the impressive Abbaye de Cerisy-la-Forêt, and the historically rich Abbaye de Caen (Abbaye aux Hommes and Abbaye aux Femmes) in Caen. These sites offer deep insights into French heritage and architecture.

What kind of terrain can I expect on hiking trails around Lassy?

Hiking trails around Lassy vary, but generally, you can expect a mix of forest paths, lakeside loops, and routes through natural protected areas. For instance, the trails around The Commelle ponds are popular for walkers, while routes in the Carnelle forest, such as those around The Blue Lake of Carnelle, offer pleasant walks among oaks, beeches, and chestnuts. Some trails, like the "Hérivaux Abbey – Plateau de Thimecourt Fosses loop from Lassy," are considered easy, making them accessible for many.

What is the Moulin du Ritoir and its purpose in Lassy (Ille-et-Vilaine)?

The Moulin du Ritoir (Ritoir Mill) in Lassy (Ille-et-Vilaine) is an old mill situated along the Canut River. It has been renovated and transformed into the "Maison des Énergies" (House of Energies). This center features a permanent exhibition on the history of energy and hosts temporary educational exhibits. It also serves as the starting point for the "Sentier des énergies" (Energy Trail) through the Canut Valley.

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Most popular attractions around Lassy

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