Janvry Fountain – Château de Courson loop from Longjumeau
Janvry Fountain – Château de Courson loop from Longjumeau
14
riders
Janvry Fountain – Château de Courson loop from Longjumeau
05:13
126km
790m
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: June 26, 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
Start point
Train Station
Get Directions
16.8 km
Janvry Fountain
Highlight • Castle
Translated by Google •
Tip by
17.0 km
Janvry Castle
Highlight • Castle
Translated by Google •
Tip by
31.2 km
Choisel coast
Highlight • Other
Translated by Google •
Tip by
35.9 km
Vaux-de-Cernay Road and Vaux-de-Cernay Abbey
Highlight (Segment) • Historical Site
Translated by Google •
Tip by
80.9 km
Pavilion Pond
Highlight • Other
Translated by Google •
Tip by
88.4 km
Rochefort-en-Yvelines
Highlight • Structure
Translated by Google •
Tip by
99.5 km
Château du Marais
Highlight • Castle
Translated by Google •
Tip by
106 km
Château de Courson
Highlight • Castle
Translated by Google •
Tip by
126 km
End point
Train Station
Way Types & Surfaces
Way Types
97.4 km
13.2 km
11.1 km
4.53 km
< 100 m
< 100 m
< 100 m
Surfaces
123 km
3.24 km
< 100 m
< 100 m
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Elevation
Highest point (180 m)
Lowest point (50 m)
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Weather
Powered by Foreca
Friday 17 July
30°C
18°C
30 %
Additional weather tips
Max wind speed: 14.0 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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