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Routes
Road cycling routes
France
Ile-de-France
Saint-Germain-En-Laye
Bailly

View of Thoiry Castle – Behoust Castle loop from Bailly

Routes
Road cycling routes
France
Ile-de-France
Saint-Germain-En-Laye
Bailly

View of Thoiry Castle – Behoust Castle loop from Bailly

Moderate

59

riders

View of Thoiry Castle – Behoust Castle loop from Bailly

03:00

71.5km

520m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: July 10, 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

Train Station

Get Directions

1

2.41 km

Allée Royale from Versailles to Villepreux

Highlight (Segment) • Other

Even if it is not a bitumen the coating is more than rolling.
No car, however beware of many pedestrians on weekends. Crossing the most pleasant fields

Translated by Google •

Tip by

2

19.1 km

Saint Martin's Church, Beynes

Highlight • Religious Site

Church located in the Yvelines in Beynes, in the west of Paris. It dates from the 13th century and has seen various demolitions and reconstructions throughout history.
Today located in …

Translated by Google •

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3

24.2 km

View of Thoiry Castle

Highlight (Segment) • Other

Located in the Yvelines, the castle of Thoiry dates from the Renaissance. Now a museum and a zoo, here you can appreciate the building from afar.

Translated by Google •

Tip by

25.5 km

Abreuvoir

Lake

5

36.2 km

Behoust Castle

Highlight • Castle

Magnificent region, castles every ten kilometers!

Translated by Google •

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6

47.8 km

Beautiful home

Highlight • Other

Neauple le Vieux is a very beautiful village with remarkable houses and monuments.

Translated by Google •

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7

49.0 km

Scenic Route to Beynes

Highlight (Segment) • Viewpoint

Nice road in good condition. Very pretty and hilly landscape. However, sometimes there are a lot of cars.

Translated by Google •

Tip by

8

63.0 km

Very nice road between fields and horses

Highlight (Segment) • Other

Flat tarmac, one of the roads chosen by the 2020 Tour de France.

Tip by

9

69.0 km

Route de Villepreux

Highlight • Other

clear road and not too much traffic to reach Thoiry

Translated by Google •

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B

71.5 km

End point

Train Station

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Way Types & Surfaces

Way Types

52.8 km

9.58 km

7.92 km

1.07 km

194 m

< 100 m

Surfaces

70.7 km

708 m

< 100 m

< 100 m

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Elevation

Elevation

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

Highest point (170 m)

Lowest point (50 m)

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Weather

Powered by Foreca

Friday 10 July

36°C

21°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

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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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