Single from Port-Royal – Abbey of Port-Royal-des-Champs loop from Saint-Lambert

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Single from Port-Royal – Abbey of Port-Royal-des-Champs loop from Saint-Lambert

Moderate

5.0

(8)

hikers

Single from Port-Royal – Abbey of Port-Royal-des-Champs loop from Saint-Lambert

01:42

6.22km

60m

Hiking

Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required. The starting point of the route is right next to a parking lot.

Last updated: August 7, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Natura 2000 du Massif de Rambouillet et Zones Humides Proches

Waypoints

Start point

Parking

Get Directions

23 m

Farm above Port Royal Abbey

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On the "Route de Guyancourt", see Ricardo Bofill's construction of the arcades on the Sourderie Lake, in Montigny-le-Bretonneux and walk around it for a viewpoint. Unmissable.

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3.43 km

Abandoned rails

Highlight • Historical Site

3.76 km

Single from Port-Royal

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Long single of 5km a little technical and while relaunching !!
Great !
Avoid in too wet weather there are a lot of roots that slip and the formation of …

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5.02 km

View of the Ruins of Port-Royal-des-Champs Abbey

Highlight • Historical Site

L'oratoire-Musée néo-gothique de l'abbaye de Port Royal

Il a été ajouté à la fin du XIXe siècle à l'emplacement du chevet, pour accueillir le premier musée.

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5.05 km

Oratory of Port-Royal des Champs

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A place of absolute tranquility. One of my favorite places in Ile de France.
Museum and gardens to visit.
Possibility of picnic on site.

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5.19 km

Abbey of Port-Royal-des-Champs

Highlight • Historical Site

The gardens and access to the ruins and the dovecote of the old abbey is free, open only on weekends from 1 p.m. to 6 p.m. - in access from …

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5.20 km

Oratory

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Not easy but fun

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6.03 km

Abbaye of Port Royal

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The Port-Royal des Champs site is made up of the ruins of Port-Royal Abbey, the National Museum of Port-Royal des Champs, formerly the Granges Museum, and a forest and landscaped area.

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