Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Routes
Mountain biking trails
France
Ile-de-France
Palaiseau
Orsay

Fauvettes Viaduct – Aigrefon wood loop from Orsay-Ville

Routes
Mountain biking trails
France
Ile-de-France
Palaiseau
Orsay

Fauvettes Viaduct – Aigrefon wood loop from Orsay-Ville

Hard

4.5

(6)

63

riders

Fauvettes Viaduct – Aigrefon wood loop from Orsay-Ville

03:04

36.3km

600m

Mountain biking

Hard mountain bike ride. 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: May 12, 2026

Tips

Includes a segment that may be dangerous

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

After 34.6 km for 17 m

Waypoints

A

Start point

Train Station

Get Directions

1

2.11 km

Grande Maison Park

Highlight • Natural

This park owes its name to the bourgeois-style building present in the middle of its seven hectares of greenery. It is pleasant to run on its wide paths and along …

Translated by Google •

Tip by

2

5.18 km

Montjay Tunnel

Highlight • Trail

Like the nearby Fauvettes viaduct, the Montjay tunnel once served as the old Paris-Chartres railway line. In the middle of the communal forest of Bures-sur-Yvette, it punctuates the straight and rolling line leading to the viaduct.

Translated by Google •

Tip by

3

6.00 km

Fauvettes Viaduct

Highlight (Segment) • Bridge

Nice point of view

Translated by Google •

Tip by

4

9.76 km

Singletrack in the Vallon de la Frileuse

Highlight (Segment) • Trail

Nice piece of forest single track, barely technical except when fording at its end.

Translated by Google •

Tip by

14.0 km

Point de Vue

Viewpoint

6

23.6 km

Aigrefon wood

Highlight • Forest

Ease of access and diversity of slopes

Translated by Google •

Tip by

7

23.8 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

8

23.9 km

No difficulty, to do at sunset for pretty lights.

Translated by Google •

Tip by

25.9 km

Forêt domaniale de Port Royal

Forest

10

33.8 km

Technical Forest Singletrack

Highlight • Trail

Small, ultra-technical descent, with steps and rocks.

Translated by Google •

Tip by

B

36.3 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

14.2 km

13.0 km

3.31 km

3.11 km

2.46 km

179 m

< 100 m

Surfaces

9.36 km

9.31 km

8.74 km

5.03 km

3.53 km

254 m

103 m

Sign up to see more specific route details

Sign up for free

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 (60 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Sunday 17 May

14°C

6°C

66 %

Additional weather tips

Max wind speed: 14.0 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.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Nearby routes

Moderate

4.5

357

Champcueil Descent – Buisson Tower loop from Ballancourt

04:20h

50.6km

600m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy