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Montigny-Le-Bretonneux

Breteuil Castle – Maincourt Washhouse loop from Montigny-le-Bretonneux

Montigny-Le-Bretonneux

Breteuil Castle – Maincourt Washhouse loop from Montigny-le-Bretonneux

Moderate

5.0

(1)

riders

Breteuil Castle – Maincourt Washhouse loop from Montigny-le-Bretonneux

02:49

43.4km

360m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Last updated: April 25, 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

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4.85 km

Farm above Port Royal Abbey

Highlight • Other

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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5.30 km

Start of the Chemin Jean Racine

Highlight • Trail

The Jean Racine path which climbs to the castle is steep
This is the famous Côte de la Madeleine.

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9.54 km

Village Church of Milon-la-Chapelle

Highlight • Religious Site

Millon La Chapelle is a very bucolic village ... a Must to do if you are in the Chevreuse valley.

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9.64 km

Milon-la-Chapelle

Highlight • Religious Site

THE CHAPEL OF MILON

Church of the Assumption of the Most Holy Virgin: a first chapel was built in the 12th century by Milon de Chevreuse, then replaced by this …

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18.0 km

Forêt Départementale de Méridon

Forest

19.4 km

Mare Abreuvoir Herbouvilliers

Lake

19.9 km

Breteuil Castle

Highlight • Castle

Located in the heart of the Chevreuse Valley natural park, south of the Yvelines, 35 km from Paris and 20 km from Versailles, the magnificently furnished Château de Breteuil brings …

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27.7 km

Dampierre-en-Yvelines Castle

Highlight • Castle

Castle well known to cyclists for its small paved strip which wakes up before going up the 17 turns.

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29.5 km

Rock Formations Near Maincourt-sur-Yvette

Highlight • Natural Monument

On the path along the Yvette very pretty passage to do by mountain bike or on foot there are beautiful rocks and very beautiful trees

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29.9 km

Nestled in the Chevreusee Valley, the Maincourt-sur-Yvette washhouse is a beautiful piece of rural heritage. This stone washhouse, carefully restored, is surrounded by greenery. A little gem to discover during a stroll in the region.

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43.4 km

End point

Way Types & Surfaces

Way Types

17.5 km

11.9 km

5.85 km

3.87 km

3.86 km

266 m

198 m

Surfaces

18.1 km

17.3 km

3.91 km

2.65 km

1.40 km

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (180 m)

Lowest point (80 m)

Weather

Thursday 21 May

28°C

11°C

0 %

Additional weather tips

Max wind speed: 7.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Breteuil Castle – Maincourt Washhouse loop from Montigny-le-Bretonneux

Farm above Port Royal Abbey

Start of the Chemin Jean Racine

Village Church of Milon-la-Chapelle

Milon-la-Chapelle

Breteuil Castle

Dampierre-en-Yvelines Castle

Rock Formations Near Maincourt-sur-Yvette

Maincourt Washhouse

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