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Routes
Road cycling routes
France
Ile-de-France
Rambouillet
Saint-Arnoult-En-Yvelines

Côte de la Vacheresse – Côte des 17 Tournants loop from Saint-Arnoult-en-Yvelines

Routes
Road cycling routes
France
Ile-de-France
Rambouillet
Saint-Arnoult-En-Yvelines

Côte de la Vacheresse – Côte des 17 Tournants loop from Saint-Arnoult-en-Yvelines

Moderate

9

riders

Côte de la Vacheresse – Côte des 17 Tournants loop from Saint-Arnoult-en-Yvelines

02:58

70.9km

510m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: April 25, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Waypoints

A

Start point

Bus stop

Get Directions

1

3.67 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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2

14.6 km

Château du Marais

Highlight • Castle

nice spot on the bridge with seen the castle

Translated by Google •

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3

30.8 km

Côte de la Vacheresse

Highlight (Segment) • Other

Regular dimension with an average percentage of around 5% ... but the coast is quite long (1.5 km)

Translated by Google •

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4

40.5 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 •

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5

47.2 km

Côte des 17 Tournants

Highlight (Segment) • Climb

As beautiful uphill as downhill! Be careful however to remain vigilant because cyclists, bikers and motorists share the road.

Translated by Google •

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6

49.2 km

Dampierre-en-Yvelines Castle

Highlight • Castle

Castle well known to cyclists for its small paved strip which wakes up before going up the 17 turns.

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7

52.6 km

Cernay-la-Ville waterfalls

Highlight • Waterfall

A small waterfall

Translated by Google •

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8

62.7 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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B

70.9 km

End point

Bus stop

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Way Types & Surfaces

Way Types

60.4 km

5.70 km

2.57 km

2.22 km

< 100 m

< 100 m

Surfaces

70.5 km

395 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 (60 m)

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Weather

Powered by Foreca

Thursday 21 May

28°C

10°C

0 %

Additional weather tips

Max wind speed: 7.0 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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