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France
Ile-de-France
Nanterre
Courbevoie

Route Royale, Marly Forest – Côte des 17 Tournants loop from Bécon-les-Bruyères

Routes
Road cycling routes
France
Ile-de-France
Nanterre
Courbevoie

Route Royale, Marly Forest – Côte des 17 Tournants loop from Bécon-les-Bruyères

Hard

5.0

(2)

28

riders

Route Royale, Marly Forest – Côte des 17 Tournants loop from Bécon-les-Bruyères

05:50

129km

1,030m

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: November 2, 2026

Tips

Includes a segment in which cycling is not permitted

After 6.34 km for 81 m

Waypoints

A

Start point

Train Station

Get Directions
1

6.38 km

Mont-Valérien Memorial

Highlight • Monument

The Mont-Valérien Memorial is a major historic site from the Second World War. Inaugurated in 1960 by General de Gaulle, it honors the memory of the resistance fighters. The memorial …

Translated by Google •

Tip by

2

23.3 km

Route Royale, Marly Forest

Highlight (Segment) • Cycleway

The forest of Marly is full of paths and paths accessible to road bikes. This site is a veritable green lung at the gates of Paris!

Translated by Google •

Tip by

3

49.6 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

50.9 km

Abreuvoir

Lake

5

85.5 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.

Translated by Google •

Tip by

6

86.2 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 •

Tip by

7

94.0 km

Milon-la-Chapelle Wall

Highlight (Segment) • Climb

The coast is quite short (about 600 meters) but it is surely one of the steepest in the Chevreuse valley. No choice to go as a dancer! Provide a suitable …

Translated by Google •

Tip by

8

107 km

Buc Hill

Highlight (Segment) • Other

A small fairly regular climb at about 7% starting from the old town to go to Haut Buc. At the top, there is a view of the city center of …

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9

108 km

Buc Aqueduct (arcades)

Highlight • Other

580 meters long and 24 meters high, this aqueduct was used to supply the fountains of the Palace of Versailles. A magical place a few steps from Paris!

Translated by Google •

Tip by

B

129 km

End point

Train Station

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Way Types & Surfaces

Way Types

72.7 km

19.8 km

17.0 km

12.7 km

7.00 km

< 100 m

Surfaces

106 km

23.2 km

380 m

106 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 (180 m)

Lowest point (20 m)

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Weather

Powered by Foreca

Monday 9 November

14°C

8°C

93 %

Additional weather tips

It’s set to rain on your activity. Pack a waterproof jacket.

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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