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Natural Monuments
France
Ile-de-France
Mantes-La-Jolie
Brueil-En-Vexin

Highlight • Natural

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The Allée couverte de la Cave aux Fées is a remarkable Neolithic megalithic monument nestled in Brueil-en-Vexin, within the Yvelines department of the Île-de-France region, France. This ancient collective burial ground, dating back to the Late Neolithic period around 2200 BCE, stands as a significant historical site. Situated at an elevation of approximately 114 meters on the northern slope of the Montcient valley, it is officially classified as a historical monument, offering a profound connection to prehistoric times.

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Parc naturel régional du Vexin Français

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    August 18, 2020

    Mountain biking

    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 the dolmen delivered leather spatulas, vases, ashes and flint knives.

    It was estimated in 1894 that this monument contained 150 skeletons.

    It was excavated in a more scientific way in 1899 by Mr. Mortillet and restored in 1970.

    The archives show the presence of roofing slabs until the 18th century.

    The dolmen consists of large sandstone slabs forming the pillars.
    The gaps between the pillars are filled with flat stones.
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    Nearby routes

    Best routes near

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    riders

    1. Old Limay Bridge – Château de Jambville loop from Mantes Station

    54.8km

    04:23

    660m

    660m

    Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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    Moderate

    Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

    Moderate

    Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

    Moderate

    Details

    Informations

    Elevation 110 m

    Weather

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    Monday 23 March

    17°C

    3°C

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    Max wind speed: 22.0 km/h

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    Location: Brueil-En-Vexin, Mantes-La-Jolie, Ile-de-France, France

    Frequently Asked Questions

    Are there specific walking routes or trails around the Allée couverte de la Cave aux Fées?

    While the immediate area around the monument is small, the surrounding Vexin Regional Natural Park offers numerous gentle walking routes suitable for all levels. Many hikers enjoy combining a visit to the Allée couverte with a stroll through the French countryside. You can find various options for circular walks or routes connecting to other local points of interest.

    Is the Allée couverte de la Cave aux Fées suitable for families with young children?

    Yes, the site is generally considered family-friendly. The terrain around the monument is easy to navigate, and its historical significance, combined with local legends of fairies, can be engaging for children. It's a great spot for a short, educational outing, and the surrounding area provides space for a leisurely walk.

    Is the Allée couverte de la Cave aux Fées accessible for visitors with limited mobility or wheelchairs?

    The monument itself is freely accessible, and the immediate ground around it is relatively flat. However, the path leading to it might involve uneven surfaces or gravel. While generally easy to navigate, visitors with wheelchairs or limited mobility should exercise caution and assess the specific conditions upon arrival. There are no dedicated accessible facilities.

    Can I bring my dog to the Allée couverte de la Cave aux Fées?

    Typically, dogs on a leash are permitted at outdoor historical sites in France, including the Allée couverte de la Cave aux Fées. However, it's always recommended to ensure your dog is well-behaved and to clean up after them to preserve the site for all visitors.

    What are the parking options and public transport availability for the site?

    Parking is usually available nearby the site, which is conveniently located along the RD 913 road in Brueil-en-Vexin. Specific designated parking areas may be limited, so arriving earlier in the day is advisable, especially during peak seasons. Public transport options directly to the site are limited; access is primarily by car.

    Are there any cafes, restaurants, or accommodation options near the Allée couverte de la Cave aux Fées?

    The Allée couverte is located in a rural setting. While there are no facilities directly at the site, you can find cafes, restaurants, and accommodation options in the nearby villages and towns such as Brueil-en-Vexin itself, or slightly further afield in areas like Saint-Cergues. It's advisable to check local listings for current opening hours and availability.

    What are the unique geological features of the Allée couverte de la Cave aux Fées and its surroundings?

    The monument itself is constructed from large sandstone slabs, which are a prominent geological feature of the Vexin region. The site is situated on the northern slope of the Montcient valley, offering insights into the local topography. The use of local sandstone for such a significant Neolithic structure highlights the geological resources available to prehistoric communities in the area.

    Are there other significant megalithic sites or historical points of interest nearby?

    The Vexin Regional Natural Park is rich in history and natural beauty. While the Allée couverte de la Cave aux Fées is a prominent megalithic site, the region has other historical points of interest, including medieval churches, castles, and charming villages. Exploring the wider area can reveal more hidden gems and archaeological remnants.

    What is the best time of year to visit the Allée couverte de la Cave aux Fées for hiking or exploring?

    Visiting during spring, summer, or early autumn generally offers the most pleasant weather for exploring the site and undertaking walks in the surrounding countryside. These seasons provide comfortable temperatures and longer daylight hours. While winter visits are possible, be prepared for colder, potentially wetter conditions, which might affect trail conditions.

    How long should I allocate for a visit to the Allée couverte de la Cave aux Fées?

    The monument itself can be explored in a relatively short amount of time, typically 30 minutes to an hour, allowing you to appreciate its structure and engravings. If you plan to combine your visit with a walk or hike in the surrounding area, you should allocate more time, from a couple of hours to half a day, depending on the length of your chosen route.

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