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Routes
Mountain biking trails
France
Ile-de-France
Rambouillet
Saint-Arnoult-En-Yvelines

Route aux Cerfs – Aérotrain Bertin Bridge loop from Saint-Arnoult-en-Yvelines

Routes
Mountain biking trails
France
Ile-de-France
Rambouillet
Saint-Arnoult-En-Yvelines

Route aux Cerfs – Aérotrain Bertin Bridge loop from Saint-Arnoult-en-Yvelines

Hard

5.0

(5)

10

riders

Route aux Cerfs – Aérotrain Bertin Bridge loop from Saint-Arnoult-en-Yvelines

01:05

13.7km

140m

Mountain biking

Hard mountain bike ride. Great for any fitness level. 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: March 21, 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

Get Directions

1

1.99 km

Singletrack trail in the forest

Highlight (Segment) • Trail

Small fun single on the descent, but passable on the ascent

Translated by Google •

Tip by

2

4.35 km

Route aux Cerfs

Highlight • Forest

nice on the way down but good climbing...

Translated by Google •

Tip by

3

8.14 km

It should also be on the Paris/Chartres line...

Translated by Google •

Tip by

4

8.75 km

small playground where to have fun....

Translated by Google •

Tip by

5

9.58 km

Single

Highlight • Other

6

11.6 km

Aérotrain Bertin Bridge

Highlight • Bridge

Another bridge on the old Paris/Chartres line. There are many on Bonnelles etc...

Translated by Google •

Tip by

B

13.7 km

End point

Bus stop

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Way Types & Surfaces

Way Types

5.99 km

3.62 km

2.08 km

966 m

578 m

515 m

Surfaces

6.17 km

3.44 km

3.10 km

1.03 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Wednesday 20 May

23°C

8°C

0 %

Additional weather tips

Max wind speed: 10.0 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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