Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: November 19, 2025

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Tips

Cycling is not permitted along parts of this route

You'll need to dismount and push your bike.

After 13.9 km for 88 m

After 19.7 km for 57 m

Waypoints

Start point

Bus stop

Get Directions

6.89 km

Forêt régionale de Gros Bois

Forest

13.5 km

Mount Griffon

Highlight • Summit

Mont Griffon offers a haven of greenery and a breathtaking view of the Yerres Valley and its surroundings. Accessible via wild trails, this place is ideal for a bike ride …

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13.9 km

Mont Griffon Bike Park

Highlight • MTB Park

Bumps and banked turns downhill that will satisfy the most daring. Several variants of routes for DownHill specialists!

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14.0 km

Mont Griffon Summit

Highlight • Summit

Mont Griffon is part of the national forest of La Grange au bois.
The summit offers a superb panoramic view. It is accessed by stairs or by paths. The descent …

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14.2 km

Mount Griffon

Highlight • Other

The highest point in Essonne, this "little mountain" located in the heart of the Bois de la Grange, offers beautiful mountain biking descents and lots of small and varied single in its surroundings.

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17.6 km

Along the Yerres

Highlight • River

This walk along the Yerres near Soulin offers a peaceful escape in the heart of nature. The path follows the meanders of the river. The banks, lined with willows and …

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18.9 km

Île de Brunoy Pond

Highlight • Lake

Great to start mountain biking

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19.4 km

Ruisseau de la Machine

Lake

22.0 km

Moulin de Brunoy

Highlight • Other

26.2 km

Banks of the Yerres River

Highlight • River

Edges of the Yères, pleasant little frequented path

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27.5 km

Château de Périgny-le-Petit

Castle

29.2 km

Bosquet de Saint-Leu

Forest

41.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

21.9 km

10.7 km

3.35 km

3.27 km

2.45 km

153 m

Surfaces

12.3 km

9.94 km

7.88 km

6.91 km

4.40 km

271 m

< 100 m

Elevation

Highest point (110 m)

Lowest point (40 m)

Weather

Today

Monday 1 December

7°C

5°C

20 %

If you start your activity now...

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.

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Mount Griffon

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Mont Griffon Summit

Mount Griffon

Along the Yerres

Île de Brunoy Pond

Moulin de Brunoy

Banks of the Yerres River

Nearby routes

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