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Road cycling routes

Montigny-Le-Bretonneux

Côte de la Vacheresse – Janvry Fountain loop from Saint-Quentin-en-Yvelines

Road cycling routes

Montigny-Le-Bretonneux

Côte de la Vacheresse – Janvry Fountain loop from Saint-Quentin-en-Yvelines

Moderate

4.3

(6)

199

riders

Côte de la Vacheresse – Janvry Fountain loop from Saint-Quentin-en-Yvelines

03:33

85.5km

540m

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: August 7, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 8.33 km for 68 m

Open as destination only: • Monday-Friday: 7:00 AM-9:00 AM & 4:00 PM-7:30 PM (otherwise open)

Waypoints

A

Start point

Train Station

Get Directions

1

14.6 km

Côte de la Vacheresse

Highlight (Segment) • Other

Low traffic road. 👍

Translated by Google •

Tip by

2

23.7 km

Janvry Castle

Highlight • Castle

Private castle; a pretty alley leads there.

Translated by Google •

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3

23.9 km

Janvry Fountain

Highlight • Castle

Nice little village to see

Translated by Google •

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4

38.5 km

Château du Marais

Highlight • Castle

nice spot on the bridge with seen the castle

Translated by Google •

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5

47.6 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 •

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6

56.3 km

Bullion Church

Highlight • Other

Church of Saint Vincent and Saint Sebastian de Bullion built between the 11th and 16th centuries. Listed as a historic monument.

Translated by Google •

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7

76.3 km

Village Church of Milon-la-Chapelle

Highlight • Religious Site

Millon La Chapelle is a very bucolic village ... a Must to do if you are in the Chevreuse valley.

Translated by Google •

Tip by

8

76.3 km

Romainville coast

Highlight (Segment) • Other

The coating is really degraded… When will the TdF pass to give it a makeover?

Translated by Google •

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81.6 km

Col du Manet

Peak

B

85.5 km

End point

Train Station

Way Types & Surfaces

Way Types

69.8 km

9.53 km

4.07 km

1.61 km

364 m

212 m

Surfaces

84.0 km

1.42 km

< 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 (180 m)

Lowest point (60 m)

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Weather

Powered by Foreca

Friday 28 August

23°C

14°C

90 %

Additional weather tips

Max wind speed: 26.0 km/h

to get more detailed weather forecasts along your route

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