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France
Ile-de-France

Mantes-La-Jolie

Top 6 Natural Monuments around Mantes-La-Jolie

Best natural monuments around Mantes-La-Jolie include a variety of significant natural spaces and green areas. Situated along the Seine River, the region features diverse landscapes from urban forests to protected wetlands and river valleys. These sites offer opportunities for recreation, relaxation, and observing local flora and fauna, contributing to the area's natural appeal.

Best natural monuments around Mantes-La-Jolie

  • The most popular natural monuments is Troglodyte Church of Haute-Isle, a religious building and cave that is a small cave church…

Last updated: May 20, 2026

Highlight • Natural

We are here in the presence of a large dolmen discovered in 1768 by the villagers.

They actually believed they had discovered the remains of a monastery.
The stripping of …

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Troglodyte Church of Haute-Isle

Highlight • Religious Site

Small cave church by the road.

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Saint-Gaucher Fountain

Highlight • Natural Monument

Gaucher was born in Meulan in 1060 and was brought up in the hamlet of Chartre. A pious man, he cured the unfortunate, the water from the Saint Gaucher fountain …

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There are huge sinkholes in this forest!!! Yes, these ponds are collapses filled with water!!

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The Dolmens of Épône

Highlight • Historical Site

These are two covered alleys, built between -2,400 and - 1,700 BC located in the city center. These are burial chambers which contained around sixty bodies. Seven covered aisles in total have been located within this perimeter.

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Gallo-Roman sanctuary

Highlight • Monument

To discover following the path that goes beyond the small roundabout parking lot.
Gallo-Roman nymphaeum organized around a spring. Pretty marble statuette, two remaining columns and a basin on this ancient sanctuary.

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Superb place in the early morning you can see a lot of wild animals. Hiking path as well as mountain biking or gravel

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Popular around Mantes-La-Jolie

GR 22 to Mont-Saint-Michel – Miquelot's Walk

Born to Ride 2020

Hike through the Ile-de-France and Normandy countryside – GR 26

Braving the night — Gravel escape from Bocage ornais to Paris

Natural beauty on Île-de-France – mountain biking around Paris

Walking around Ile-de-France in Paris – GR 1

Exploring the Seine on the Île-de-France – hike the GR 2

From Paris to Le Havre — the Seine by Bike

Road Cycling Routes around Mantes-La-Jolie

Cycling around Mantes-La-Jolie

Other adventures around Mantes-La-Jolie

GR 22 to Mont-Saint-Michel – Miquelot's Walk

Hiking Collection by

Nicolas Vergnaud

Tips from the Community

Suard
April 20, 2025, Église Troglodyte de Haute-Isle

unusual

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To discover following the path that goes beyond the small roundabout parking lot. Gallo-Roman nymphaeum organized around a spring. Pretty marble statuette, two remaining columns and a basin on this ancient sanctuary.

Translated by Google

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Stop there for a little photo or a moment of break, in summer with the sun it's magnificent and not very far from La Roche-Guyon, take a break at the bakery in the center, you won't regret it.

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Beautiful, but what idea did they have?

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Yes there are plenty of collapse zones! These ponds are only collapses filled with water!

Translated by Google

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There are huge sinkholes in this forest!!! Yes, these ponds are collapses filled with water!!

Translated by Google

1

0

Superb place in the early morning you can see a lot of wild animals. Hiking path as well as mountain biking or gravel

Translated by Google

0

0

Gaucher was born in Meulan in 1060 and was brought up in the hamlet of Chartre. A pious man, he cured the unfortunate, the water from the Saint Gaucher fountain would have had some effects against epilepsy, and calmed "all the fires of the body". Gaucher will be canonized in 1194.

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Frequently Asked Questions

What types of natural monuments can I explore around Mantes-La-Jolie?

The region offers a diverse range of natural monuments, from ancient historical sites to scenic viewpoints and unique geological features. You can find everything from the prehistoric Dolmens of Épône to the striking Panoramic view of the Seine Valley from the Coteaux de la Seine, which is part of a national nature reserve.

Are there any natural monuments with historical significance in the area?

Yes, Mantes-La-Jolie is rich in historical natural monuments. A notable example is the Troglodyte Church of Haute-Isle, a small cave church carved into the rock. Additionally, the Dolmens of Épône are ancient burial chambers dating back to 2,400-1,700 BC, offering a glimpse into prehistoric times.

What are some unique natural features to see in the Mantes-La-Jolie region?

Beyond traditional monuments, you can discover unique natural features like the Large Sinkhole in Parc Naturel Régional du Vexin Français, where ponds are actually collapses filled with water. The region also features the protected wetlands of Île l'Aumône, a Natura 2000 site known for its rich biodiversity and migratory birds.

Are there family-friendly natural monuments or green spaces suitable for children?

Absolutely! The Dolmens of Épône are listed as family-friendly, offering an interesting historical experience. For more active family outings, La Butte Verte is an expansive urban forest with children's play areas and sports courses. The Île l'Aumône also hosts a pedagogical farm, providing an engaging experience for kids.

Where can I find scenic views of the landscape around Mantes-La-Jolie?

For breathtaking vistas, head to the Panoramic view of the Seine Valley from the Coteaux de la Seine. This viewpoint offers magnificent views over the Seine valley and is part of a national nature reserve known for its striking landscape and ecological interest, including limestone lawns and chalky cliffs.

What outdoor activities can I do near the natural monuments?

The area around Mantes-La-Jolie offers various outdoor activities. You can find numerous cycling routes, including those along the Seine, such as the 'Banks of the Seine at Vétheuil' loops. For running, explore routes like the 'Lake Gassicourt loop'. You can find more details on these activities in the Cycling around Mantes-La-Jolie, Gravel biking around Mantes-La-Jolie, and Running Trails around Mantes-La-Jolie guides.

Are there any forests or large green areas for leisurely walks?

Yes, the region boasts several significant green spaces. La Butte Verte is a 165-hectare urban forest perfect for urban leisure and nature-based relaxation. Other options include the Forêt de Rosny, offering wooded itineraries and calcareous grasslands, and the Forêt de Moisson, which provides scenic trails and views of the Château de la Roche-Guyon.

Where can I observe local wildlife, especially birds?

The Île l'Aumône and its Ornithological Park is an exceptional spot for wildlife observation. This 27-hectare natural reserve is a Natura 2000 site and a haven for numerous migratory birds like kingfishers, herons, and cormorants. It features two marked trails and an observatory for undisturbed viewing.

What are the Lakes of Gassicourt and the Fishermen like for recreation?

The Lacs de Gassicourt et des Pêcheurs offer an enchanting setting along the Seine River. These former gravel extraction sites have been transformed into diverse recreational areas, ideal for fishing, jogging, pétanque, and barbecues. They feature gently sloping banks, helophytes, and floating gardens, fostering interaction between nature and the community.

What do visitors particularly enjoy about the natural monuments in this area?

Visitors appreciate the blend of natural beauty and historical depth. The unique configuration and history of sites like the Troglodyte Church of Haute-Isle are often highlighted. The magnificent views from the Coteaux de la Seine and the ecological interest of the national nature reserve also receive high praise from the komoot community.

Is there a natural monument related to water or springs?

Yes, you can visit the Saint-Gaucher Fountain, which is recognized as a natural monument. For those who appreciate wilder nature along water, the Parc de la Vallée de la Vaucouleurs offers a bucolic journey along the Vaucouleurs river before it joins the Seine.

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Didn’t find what you were looking for?

Find even more amazing natural monuments around Mantes-La-Jolie by checking out the top Highlights region by region:

Les MureauxDrocourtGuernesFlins-Sur-SeineMoissonOrgerusBourdonnéAdainvilleEcquevillyCondé-Sur-VesgreFontenay-Saint-PèreGambaisChapetMousseaux-Sur-SeineRolleboiseBouafleGommecourtBonnières-Sur-SeinePort-VillezSaillyFreneuseFollainville-DennemontBazainvilleAubergenvilleLa Villeneuve-En-ChevrieRosny-Sur-SeineBuchelayLimayLommoyeBennecourtBlaruJeufosseLimetz-VillezMéricourtÉpôneSaint-Martin-La-Garenne

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Extend your search for the best caves by checking out these guides of the top ones around Mantes-La-Jolie:

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