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Running trails & routes

Washhouse at the Fairies' Spring – Maincourt Washhouse loop from Saint-Lambert

Running trails & routes

Washhouse at the Fairies' Spring – Maincourt Washhouse loop from Saint-Lambert

Hard

10

runners

Washhouse at the Fairies' Spring – Maincourt Washhouse loop from Saint-Lambert

01:56

16.8km

200m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 19, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Waypoints

A

Start point

Bus stop

Get Directions

1

4.56 km

Lavoir de la Source aux fées

Highlight • Structure

Located in Saint-Forget, the Lavoir de la Source aux fées was known for its waters with therapeutic properties. Surrounded by majestic beech trees, this reconstructed fountain remains mysterious, far from …

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2

7.34 km

Iron House

Highlight • Other

For more information on the iron house.
yveline.org/la-maison-de-fer

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3

7.92 km

Rochers Forest of the Haute Vallée de Chevreuse

Highlight • Forest

Very beautiful forest with large stones and little used paths, which sometimes requires carrying the bike but the path at the bottom is passable.

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4

8.59 km

Washhouse at the Fairies' Spring

Highlight • Historical Site

An exceptional laundry in more ways than one! Be sure to stop there and read the insert.

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5

9.29 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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6

9.63 km

Maincourt Washhouse

Highlight • Monument

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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Tip by

7

10.4 km

Maincourt Mill Marsh

Highlight • Other

very nice walk done in 02h05. the negative point is the return via the same path as the driveway. but to do👍

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8

12.1 km

Piste du Grand Ambésis

Highlight (Segment) • Trail

Be careful, when it rains, it quickly becomes a quagmire.

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B

16.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.38 km

5.71 km

3.50 km

807 m

256 m

106 m

Surfaces

9.48 km

3.87 km

2.62 km

687 m

106 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Tuesday 19 May

19°C

11°C

67 %

Additional weather tips

Max wind speed: 20.0 km/h

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

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