Routes Planner Features Updates

Login or Signup

Login or Signup

Login or Signup

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

Sign up to see more specific route details

Sign up for free

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)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Thursday 22 October

13°C

7°C

71 %

Additional weather tips

Max wind speed: 48.0 km/h

to get more detailed weather forecasts along your route

Comments

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Navigate Send to Phone

Move start point

Embed on a website

Report an Issue

Report restricted access

Nearby routes

4.7

872

Loop in the Yvelines starting from the forest of Marly

02:20h

55.4km

410m

4.7

590

Chevreuse Hills Classic

03:50h

84.9km

810m

4.6

596

Allée Royale and Marly Forest Loop

01:39h

38.9km

290m

3.9

52

Rambouillet Forest Roads Loop

02:00h

45.9km

250m

4.3

45

Hilly circuit in the Yvelines

02:00h

42.7km

380m

13

Loop of the Cheuvreuse starting from Rambouillet — Parc Naturel Régional de la Haute Vallée de Cheuvreuse

05:13h

121km

890m

4.3

29

Yvelines Castles Loop

02:27h

53.2km

430m

4.6

642

Buc Aqueduct (arcades) – Côte des 17 Tournants loop from Versailles Château Rive Gauche

01:58h

43.1km

440m

4.4

592

Saclay Pond – Buc Aqueduct (arcades) loop from Clamart

02:25h

53.8km

480m

4.5

449

Saclay Pond – Côte de la Vacheresse loop from Porchefontaine

02:11h

48.3km

480m

4.6

331

Cernay-la-Ville waterfalls – The 7 Turning Points loop from Saint-Quentin-en-Yvelines

02:10h

50.4km

360m

4.3

365

Saint-Piat Mill – Eure Riverside Walk loop from Bailleau-Armenonville

02:08h

53.5km

250m