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Routes
Mountain biking trails
France
Ile-de-France
Versailles
Saint-Cyr-L'École

Single des 17 Tournants – Breteuil Castle loop from Saint-Cyr

Routes
Mountain biking trails
France
Ile-de-France
Versailles
Saint-Cyr-L'École

Single des 17 Tournants – Breteuil Castle loop from Saint-Cyr

Hard

4.5

(2)

57

riders

Single des 17 Tournants – Breteuil Castle loop from Saint-Cyr

05:33

68.3km

840m

Mountain biking

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.

Last updated: August 25, 2026

Tips

Includes a segment that is highly dangerous

A part of this route comprises highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 38.8 km for 75 m

Waypoints

A

Start point

Train Station

Get Directions

3.63 km

Étang du Moulin à Renard et Étang Braque

Lake

5.97 km

Le Bois des Roussières

Forest

3

21.2 km

Washhouse at the Fairies' Spring

Highlight • Historical Site

An exceptional laundry in more ways than one! Be sure to stop there and read the insert.

Translated by Google •

Tip by

4

22.1 km

Single des 17 Tournants

Highlight (Segment) • Other

Super single about 1km while reviving, very playful to do without top moderation and it ends just after on a great descent!

Translated by Google •

Tip by

5

29.7 km

Breteuil Castle

Highlight • Castle

Located in the heart of the Chevreuse Valley natural park, south of the Yvelines, 35 km from Paris and 20 km from Versailles, the magnificently furnished Château de Breteuil brings …

Translated by Google •

Tip by

30.2 km

Mare Abreuvoir Herbouvilliers

Lake

31.6 km

Forêt Départementale de Méridon

Forest

8

38.8 km

Stone Arch Bridge on the Old Railway Line

Highlight • Bridge

Super atypical passage, I recommend

Translated by Google •

Tip by

40.7 km

Réserve naturelle du val et coteau de Saint-Rémy

Nature Reserve

48.2 km

Viewpoint

Viewpoint

11

50.3 km

Sablière d'Aigrefoin

Highlight • Forest

A magnificent playground for thrill seekers. The paths through the sandpit give you the opportunity to test your legs on the mounds.

Translated by Google •

Tip by

12

50.5 km

Aigrefon wood

Highlight • Forest

Ease of access and diversity of slopes

Translated by Google •

Tip by

13

56.9 km

La Mérantaise and its washhouse

Highlight • Historical Site

The forest of Port-Royal is distinguished by the pretty landscapes created by the Mérantaise which crosses it. The washhouse set up by the river further embellishes this idyllic setting.

Translated by Google •

Tip by

14

63.8 km

Wooden Footbridges of the Étang du Moulin à Renard

Highlight • Bridge

These wooden footbridges allow you to discover the Bièvre stream which winds towards the Renard mill pond.

Translated by Google •

Tip by

B

68.3 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

38.0 km

14.2 km

6.02 km

5.08 km

4.89 km

< 100 m

< 100 m

Surfaces

22.5 km

14.5 km

13.5 km

12.8 km

3.02 km

1.47 km

579 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 (70 m)

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Weather

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Monday 12 October

24°C

13°C

-- %

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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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