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Bike touring routes & trails

Briis-Sous-Forges

Janvry Animal Park – Janvry Castle loop from Briis-sous-Forges

Bike touring routes & trails

Briis-Sous-Forges

Janvry Animal Park – Janvry Castle loop from Briis-sous-Forges

Hard

13

riders

Janvry Animal Park – Janvry Castle loop from Briis-sous-Forges

03:17

41.8km

480m

Cycling

Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route. The starting point of the route is accessible with public transport.

Last updated: September 10, 2026

Tips

Includes a segment in which cycling is not permitted

After 6.06 km for 51 m

Waypoints

A

Start point

Bus stop

1

10.3 km

Janvry Animal Park

Highlight • Structure

Hens, llamas, warthogs. What to walk in the shade with family.

Translated by Google •

Tip by

2

10.9 km

Janvry Castle

Highlight • Castle

Private castle; a pretty alley leads there.

Translated by Google •

Tip by

12.8 km

Bois des Bezelles

Forest

4

14.2 km

Beauregard Castle

Highlight • Viewpoint

Beautiful views of the park from the hiking path that goes around it. The sheep grazing with the Ulis towers in the background give the place a special landscape atmosphere. …

Translated by Google •

Tip by

5

17.6 km

Fauvettes Viaduct

Highlight • Bridge

Magnificent viewpoint over the valley surrounded by greenery, accessible by "gravel" paths (roots and stones) through the wood or by "hiking / mountain biking" trails in the valley (it will …

Translated by Google •

Tip by

6

19.4 km

Mare de Gometz-le-Châtel

Highlight • Trail

It's hard to believe that you are so close to Paris when you pass through the pretty village of Gometz-le-Châtel. The town stands out in particular for its small ponds …

Translated by Google •

Tip by

24.2 km

Point de Vue

Viewpoint

25.4 km

Forêt communale de Gif-sur-Yvette

Forest

9

31.4 km

Aérotrain Jean Bertin Sculpture

Highlight • Monument

Sculpture by the artist Georges Saulterre paying tribute to the teams of the French engineer Jean Bertin who worked on the aerotrain (TGV competitor who never experienced commercial exploitation).
The …

Translated by Google •

Tip by

10

31.7 km

Split Path in Parc Naturel Régional de la Haute Vallée de Chevreuse

Highlight • Trail

Just a warning not to go straight. you must go right into the path.

Tip by

11

31.8 km

The Original Test Track of Aérotrain

Highlight • Other

it's 4km in a straight line along this old train track of Aerotrain

Tip by

B

41.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

15.8 km

8.97 km

7.22 km

4.77 km

4.45 km

610 m

Surfaces

19.0 km

17.7 km

3.29 km

1.72 km

140 m

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Elevation

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

Highest point (180 m)

Lowest point (90 m)

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Weather

Powered by Foreca

Thursday 22 October

14°C

7°C

93 %

Additional weather tips

Max wind speed: 46.0 km/h

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