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Mountain biking trails

Boissy-L'Aillerie

Jean's wood. Mountain bike spot – Large Path in the Woods loop from Boissy-l'Aillerie

Mountain biking trails

Boissy-L'Aillerie

Jean's wood. Mountain bike spot – Large Path in the Woods loop from Boissy-l'Aillerie

Intermediate

8

riders

Jean's wood. Mountain bike spot – Large Path in the Woods loop from Boissy-l'Aillerie

03:17

40.0km

490m

Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 5, 2025

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Tips

Cycling is not permitted along parts of this route

You'll need to dismount and push your bike.

493 m in total

Waypoints

A

Start point

Train Station

Get Directions

1

6.84 km

Notre-Dame-de-l'Assomption Church of Frémécourt

Notre-Dame-de-l'Assomption Church is a parish Catholic church located in Frémécourt, Val-d'Oise, France. It combines a small Renaissance choir, which does not lack appeal, with a partly Romanesque transept and nave, …

Translated by Google •

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2

10.8 km

Collège de Marines Parking Lot

The parking lot is empty on weekends and free. There are quite a few places.

The plus is that we are at the foot of the relief located northwest so it's cool we enter directly into our hiking tour.

Translated by Google •

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3

15.1 km

Jean's wood. Mountain bike spot

Visibly Private but open spot. Thank you for respecting the places.

Translated by Google •

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4

16.2 km

Large Path in the Woods

an easy path, wooded and practicable for beginners

Translated by Google •

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5

26.8 km

Buttes de Rosne trail (216m)

B

40.0 km

End point

Train Station

Way Types & Surfaces

Way Types

24.1 km

9.06 km

4.55 km

1.88 km

315 m

< 100 m

Surfaces

21.0 km

9.09 km

5.18 km

3.22 km

1.20 km

323 m

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Elevation

Elevation

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Weather

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Today

Sunday 5 October

17°C

9°C

0 %

If you start your activity now...

Max wind speed: 19.0 km/h

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