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Choisel Church – Méridon Castle loop from Chaumusson

Routes

Bike touring routes & trails

Choisel Church – Méridon Castle loop from Chaumusson

Hard

riders

Choisel Church – Méridon Castle loop from Chaumusson

04:49

61.5km

690m

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: December 4, 2025

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Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Waypoints

Start point

Bus stop

Get Directions

3.64 km

The Original Test Track of Aérotrain

Highlight • Other

it's 4km in a straight line along this old train track of Aerotrain

Tip by

3.88 km

Aérotrain Jean Bertin Sculpture

Highlight • Monument

to see this aerotrain.

Translated by Google •

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17.4 km

Forest Trail in Parc Naturel Régional de la Haute Vallée de Chevreuse

Highlight (Segment) • Trail

For gravel yes, but road bike NO!

Translated by Google •

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18.7 km

Lavoir de la Mérantaise

Highlight • Other

On the passage of the velosceny, a passage is essential

Translated by Google •

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30.1 km

Oratory

Highlight • Other

Not easy but fun

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46.0 km

Little Mill of Vaux-de-Cernay

Highlight • River

very nice place, visit possible

Translated by Google •

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46.8 km

Réserve biologique dirigée du Bois Boisseau

Nature Reserve

52.1 km

Choisel Church

Highlight • Other

The church of Saint-Jean de Baptiste de Choisel was built at the beginning of the 13th century in a Romanesque style. The characteristic stone facade is pretty and very well maintained.

Translated by Google •

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53.9 km

Méridon Castle

Highlight • Other

The Château de Méridon is located in the Chevreuse valley, near the Château de Breteuil. Today, the castle is a private property which hosts weddings, seminars and corporate evenings.

Translated by Google •

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61.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

19.0 km

16.9 km

10.3 km

8.99 km

5.04 km

1.21 km

< 100 m

Surfaces

28.9 km

24.3 km

4.34 km

3.79 km

159 m

107 m

Elevation

Highest point (180 m)

Lowest point (70 m)

Weather

Tuesday 16 December

11°C

6°C

0 %

Additional weather tips

Max wind speed: 13.0 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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Choisel Church – Méridon Castle loop from Chaumusson

The Original Test Track of Aérotrain

Aérotrain Jean Bertin Sculpture

Forest Trail in Parc Naturel Régional de la Haute Vallée de Chevreuse

Lavoir de la Mérantaise

Oratory

Little Mill of Vaux-de-Cernay

Choisel Church

Méridon Castle

Nearby routes

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