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Routes
Mountain biking trails
France
Ile-de-France
Palaiseau
Les Ulis

Path along the Ru des Vaux – Small bridge loop from Les Ulis

Routes
Mountain biking trails
France
Ile-de-France
Palaiseau
Les Ulis

Path along the Ru des Vaux – Small bridge loop from Les Ulis

Hard

5.0

(1)

57

riders

Path along the Ru des Vaux – Small bridge loop from Les Ulis

06:12

82.8km

790m

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Last updated: September 12, 2025

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Tips

Includes a segment in which cycling is not permitted

You'll need to dismount and push your bike.

185 m in total

Waypoints

A

Start point

Get Directions

1

4.99 km

Old Route of the Limours Aérotrain

Highlight (Segment) • Structure

old route of the aerotrain

Translated by Google •

Tip by

2

21.2 km

Réserve biologique dirigée du Bois Boisseau

Nature Reserve

3

22.0 km

Near the Vaux waterfalls in Cernay

Highlight • Trail

Wonderful landscape ! and in the middle flows a river 😁

Translated by Google •

Tip by

4

22.1 km

Petit Moulin des Vaux de Cernay

Highlight • Structure

Make sure to use the dirt path instead of the main road to properly see it

Tip by

5

25.9 km

Bois de la Brelinquinerie

Forest

6

40.1 km

Bois domanial des Cinq-Cents Arpents

Forest

7

40.7 km

Path along the Ru des Vaux

Highlight • Trail

The trail that runs along Ru des Vaux in Bois Domanial des Cinq-Cent Arpents is perfect for an engaging mountain bike ride through dense forest with natural obstacles and rolling …

Translated by Google •

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8

40.9 km

Small bridge

Highlight • Bridge

In the Pont Granval reserve, a small stone bridge crosses a quiet river and offers a picturesque passage. This technical path, with climbs and descents around the river, winds through …

Translated by Google •

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9

42.0 km

Single MTB du Ru des Vaux

Highlight (Segment) • Trail

But very pleasant in dry weather

Translated by Google •

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10

44.7 km

Réserve biologique dirigée de la Vallée des Vaux

Nature Reserve

11

53.4 km

Maincourt Washhouse

Highlight • Structure

Pretty and quaint :)

Translated by Google •

Tip by

12

73.3 km

Viaduc de la Prédécelle

Highlight • Bridge

It is a mini viaduct which offers beautiful views

Translated by Google •

Tip by

B

82.8 km

End point

Way Types & Surfaces

Way Types

29.9 km

19.3 km

15.3 km

11.8 km

5.96 km

512 m

< 100 m

Surfaces

34.1 km

31.0 km

7.55 km

6.25 km

3.10 km

800 m

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Elevation

Elevation

Highest point (180 m)

Lowest point (90 m)

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Weather

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Saturday 15 November

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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How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Moderate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Hard
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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