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La Mérantaise and its washhouse – Méridon Castle loop from Trappes

Routes

Bike touring routes & trails

La Mérantaise and its washhouse – Méridon Castle loop from Trappes

Hard

riders

La Mérantaise and its washhouse – Méridon Castle loop from Trappes

04:51

53.4km

700m

Cycling

Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route. The starting point of the route is accessible with public transport.

Last updated: June 26, 2026

Tips

Cycling is not permitted along parts of this route

After 0 m for 224 m

After 17.8 km for 276 m

After 18.3 km for 79 m

After 53.2 km for 224 m

Waypoints

Start point

Train Station

Get Directions

8.73 km

La Mérantaise and its washhouse

Highlight • Historical Site

The forest of Port-Royal is distinguished by the pretty landscapes created by the Mérantaise which crosses it. The washhouse set up by the river further embellishes this idyllic setting.

Translated by Google •

Tip by

15.1 km

Forêt domaniale du Claireau

Forest

18.0 km

Beautiful view from Château de la Madeleine

Highlight • Historical Site

Feel free to make the effort to climb to the Château de la Madeleine, you will gain a beautiful view of the Chevreuse Valley!

Translated by Google •

Tip by

18.4 km

Saint Martin's Church, Chevreuse

Highlight • Historical Site

Dazzling Church! With the Roman Choir, restored frescoes, magnificent stained glass windows 🤩

Translated by Google •

Tip by

21.4 km

Méridon Castle

Highlight • Castle

You can’t visit it, it is private.
Nice position in the forest.

Tip by

24.3 km

Choisel Church

Highlight • Historical Site

beautiful church which allows a nice little break especially in summer with the coolness inside the church

Translated by Google •

Tip by

31.4 km

Petit Moulin des Vaux de Cernay

Highlight • Structure

A former mill on the road

Translated by Google •

Tip by

33.7 km

Sentier des maréchaux

Highlight • Forest

Very moving, very fun, ...

Translated by Google •

Tip by

38.0 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.

Translated by Google •

Tip by

49.0 km

Forêt domaniale de Port-Royal

Forest

53.4 km

End point

Train Station

Way Types & Surfaces

Way Types

23.5 km

12.8 km

7.58 km

6.89 km

1.63 km

552 m

408 m

Surfaces

33.0 km

14.6 km

2.07 km

2.01 km

1.03 km

667 m

< 100 m

Elevation

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

Highest point (170 m)

Lowest point (80 m)

Weather

Wednesday 8 July

34°C

18°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

Comments

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La Mérantaise and its washhouse – Méridon Castle loop from Trappes

La Mérantaise and its washhouse

Beautiful view from Château de la Madeleine

Saint Martin's Church, Chevreuse

Méridon Castle

Choisel Church

Petit Moulin des Vaux de Cernay

Sentier des maréchaux

Dampierre-en-Yvelines Castle

Nearby routes

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