Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Discover
Places to see
France
Ile-de-France
Rambouillet
Saint-Léger-En-Yvelines

Pierre Ardoue Dolmen

Highlight • Other

Pierre Ardoue Dolmen

Mountain biking

5.0

(17)

Hiking

5.0

(17)

Gravel riding

5.0

(1)

The Dolmen de la Pierre Ardoue is a remarkable Neolithic megalithic structure nestled within the scenic Rambouillet forest in Saint-Léger-en-Yvelines, France. Standing at an elevation of approximately 143 meters, this ancient site is recognized as the largest dolmen in the entire Paris region, offering a unique glimpse into prehistoric human activity.

Visitors are consistently drawn to the profound historical significance of the Dolmen de la Pierre Ardoue. It stands as one of the few megaliths in the region, a tangible…

This Highlight is in a protected area

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Save

Share

  • More

  • Save

    Share

  • More

  • Take Me There

    Tips

    July 20, 2023

    Hiking

    This dolmen is one of the few megaliths in the region and is indicative of human presence during the prehistoric era.
    Translated by

    August 7, 2024

    Hiking

    Celtic Gaul left to the northwest of Saint-Léger the largest known dolmen in the Paris region. Measuring approximately six cubic meters and between fifteen and twenty tonnes, it is known as the Ardoue stone or Ardroue and is located in the ancient carnute forest.
    Translated by

    In the know? Log-in to add a tip for other adventurers!

    Sign up for free

    Nearby routes

    Best routes near Pierre Ardoue Dolmen

    5.0

    (17)

    62

    hikers

    1. Rompu Pond – Ascension Oak loop from Réserve biologique dirigée du Parc d'en Haut

    15.0km

    04:00

    150m

    150m

    Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

    Navigate

    Send to Phone

    Moderate

    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Moderate

    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Moderate

    Details

    Informations

    Elevation 140 m

    Weather

    Powered by Foreca

    Sunday 22 March

    16°C

    2°C

    0 %

    Additional weather tips

    Max wind speed: 10.0 km/h

    Most visited during

    January

    February

    March

    April

    May

    June

    July

    August

    September

    October

    November

    December

    Loading

    Location: Saint-Léger-En-Yvelines, Rambouillet, Ile-de-France, France

    Frequently Asked Questions

    What is the typical hiking difficulty to reach the Dolmen de la Pierre Ardoue?

    The Dolmen de la Pierre Ardoue is situated within the Rambouillet forest, and reaching it typically involves easy to moderate forest trails. The GR 1 long-distance footpath passes nearby, offering well-maintained paths. While the terrain is generally flat, some sections might be uneven or muddy, especially after rain. Hikers should expect a pleasant walk rather than a strenuous climb.

    Are there specific parking areas for visitors to the Dolmen de la Pierre Ardoue?

    While there isn't a dedicated, official parking lot directly at the dolmen, visitors typically park in the village of Saint-Léger-en-Yvelines or at designated forest parking areas along roads leading into the Rambouillet forest. From these points, it's a walk-in approach to the site. It's advisable to check local signage for permitted parking spots.

    Can I reach the Dolmen de la Pierre Ardoue using public transport?

    Reaching the Dolmen de la Pierre Ardoue primarily relies on local public transport to Saint-Léger-en-Yvelines, followed by a walk. The village is served by regional train lines (Transilien N) from Paris Montparnasse. From the Saint-Léger-en-Yvelines train station, the dolmen is approximately 1.5 km northwest, requiring a walk through the forest.

    Is the Dolmen de la Pierre Ardoue suitable for families with children?

    Yes, the Dolmen de la Pierre Ardoue is generally considered family-friendly. The walk through the Rambouillet forest to reach the dolmen is an enjoyable outdoor activity for children. The historical significance and the sheer size of the megalith can be fascinating for young explorers. Ensure children are comfortable with walking on forest paths, and consider bringing snacks and water.

    Are dogs allowed on the trails leading to the Dolmen de la Pierre Ardoue?

    Yes, dogs are generally welcome on the trails within the Rambouillet forest, including those leading to the Dolmen de la Pierre Ardoue. It is important to keep dogs on a leash to protect local wildlife and ensure the comfort of other visitors. Always remember to clean up after your pet.

    What kind of weather conditions should I expect when visiting the Dolmen de la Pierre Ardoue?

    The Dolmen de la Pierre Ardoue is located in the Rambouillet forest, experiencing typical Île-de-France weather. Summers are generally warm and pleasant, while winters can be cold and damp, with occasional snow. Spring and autumn offer mild temperatures and beautiful foliage. Trails can become muddy after rain, so appropriate footwear is recommended regardless of the season.

    Are there any cafes, pubs, or accommodation options near the Dolmen de la Pierre Ardoue?

    The Dolmen de la Pierre Ardoue is located within the forest, so there are no direct facilities at the site. However, the nearby village of Saint-Léger-en-Yvelines offers a few local cafes and restaurants. For accommodation, you would find options in Saint-Léger-en-Yvelines or larger towns within the Rambouillet area.

    Are there any other historical landmarks or points of interest near the Dolmen de la Pierre Ardoue?

    While the Dolmen de la Pierre Ardoue is a significant standalone historical monument, its location within the vast Rambouillet forest means there are numerous other natural and historical points of interest to explore. The forest itself is rich in history and offers various walking and cycling routes. The nearby Château de Rambouillet and its extensive grounds are also a major attraction.

    What is the estimated time needed for a walk to the Dolmen de la Pierre Ardoue?

    The time needed depends on your starting point and pace. If starting from the village of Saint-Léger-en-Yvelines, the walk to the dolmen itself is approximately 1.5 km, which might take 20-30 minutes one way. Many visitors integrate the dolmen into a longer circular walk through the Rambouillet forest, which could range from 1 to 3 hours or more, depending on the chosen route.

    Are there any permits or fees required to visit the Dolmen de la Pierre Ardoue?

    No, the Dolmen de la Pierre Ardoue is freely accessible to the public, and there are no permits or entrance fees required to visit the site or to walk on the surrounding forest trails. It is classified as a historical monument and is open for exploration year-round.

    What kind of wildlife might I encounter around the Dolmen de la Pierre Ardoue?

    Being located in the Rambouillet forest, the area around the Dolmen de la Pierre Ardoue is home to diverse wildlife. You might spot various bird species, squirrels, and potentially larger mammals like deer or wild boar, especially during quieter times of the day. Respecting their habitat and maintaining a quiet presence will increase your chances of an encounter.

    Other Popular Places to Check Out

    Chêne de l'Ascension

    Explore
    RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepacking
    Download the app
    Follow Us on Socials

    © komoot GmbH

    Privacy Policy