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Road cycling routes

Milon-la-Chapelle Wall – Bullion Church loop from Bonnelles

Road cycling routes

Milon-la-Chapelle Wall – Bullion Church loop from Bonnelles

Moderate

5

riders

Milon-la-Chapelle Wall – Bullion Church loop from Bonnelles

01:37

35.4km

390m

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 11, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Waypoints

A

Start point

Bus stop

1

9.59 km

Church of Choisel

Highlight (Segment) • Religious Site

A refreshing treat in the forest.

Translated by Google •

Tip by

2

11.1 km

Choisel Church

Highlight • Historical Site

beautiful church which allows a nice little break especially in summer with the coolness inside the church

Translated by Google •

Tip by

3

14.0 km

View of Château de la Madeleine from the Town Center

Highlight • Viewpoint

at the bend of a bend, approaching Chevreuse, the majestic chateaux dominating the city appears, surprising, romantic, grand!

Translated by Google •

Tip by

4

14.8 km

Côte de la Madeleine (Chevreuse)

Highlight (Segment) • Climb

Fairly short climb (approximately 700m) with two fairly steep portions (greater than 10%) interspersed with a slight berm. Beware of lactic acid build-up!! Little sister of the Millon wall which is slightly more violent.

Translated by Google •

Tip by

5

16.6 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

6

17.2 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

7

24.1 km

Choisel coast

Highlight • Other

Percent up to 15% near the top

Translated by Google •

Tip by

8

33.2 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 •

Tip by

B

35.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

28.2 km

5.93 km

1.29 km

< 100 m

< 100 m

Surfaces

35.4 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 (80 m)

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Weather

Powered by Foreca

Tuesday 20 October

14°C

6°C

88 %

Additional weather tips

Max wind speed: 30.0 km/h

to get more detailed weather forecasts along your route

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