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Road cycling routes

Janvry Fountain – Château de Courson loop from Longjumeau

Road cycling routes

Janvry Fountain – Château de Courson loop from Longjumeau

Hard

4.0

(1)

15

riders

Janvry Fountain – Château de Courson loop from Longjumeau

05:13

125km

820m

Road cycling

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

Last updated: September 24, 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

A

Start point

Train Station

1

15.9 km

Janvry Fountain

Highlight • Castle

Nice little village to see

Translated by Google •

Tip by

2

16.1 km

Janvry Castle

Highlight • Castle

Private castle; a pretty alley leads there.

Translated by Google •

Tip by

3

30.3 km

Choisel coast

Highlight • Other

Percent up to 15% near the top

Translated by Google •

Tip by

4

35.0 km

Vaux-de-Cernay Road and Vaux-de-Cernay Abbey

Highlight (Segment) • Historical Site

The Abbey of Vaux-de-Cernay is a former Cistercian monastery

Translated by Google •

Tip by

5

80.0 km

Pavilion Pond

Highlight • Other

It is a beautiful pond with a stretch of grass to have a picnic and establish a break from your bike ride.

Translated by Google •

Tip by

6

87.4 km

Rochefort-en-Yvelines

Highlight • Structure

A village of medieval origin, Rochefort en Yvelines is well worth a little detour, as the town has retained its picturesque character with its old houses and cobbled streets, and …

Translated by Google •

Tip by

7

98.6 km

Château du Marais

Highlight • Castle

nice spot on the bridge with seen the castle

Translated by Google •

Tip by

8

105 km

Château de Courson

Highlight • Castle

Typical "brick and stone" castle in the Paris region with a beautiful English garden

Translated by Google •

Tip by

B

125 km

End point

Train Station

Way Types & Surfaces

Way Types

96.9 km

12.1 km

10.9 km

5.37 km

< 100 m

< 100 m

< 100 m

Surfaces

122 km

3.06 km

< 100 m

< 100 m

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Elevation

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

Highest point (180 m)

Lowest point (40 m)

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Weather

Powered by Foreca

Friday 6 November

11°C

2°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

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