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Routes
Bike touring routes & trails
France
Ile-de-France
Palaiseau
Forges-Les-Bains

Viaduc de la Prédécelle – Méridon Castle loop from Forges-les-Bains

Routes
Bike touring routes & trails
France
Ile-de-France
Palaiseau
Forges-Les-Bains

Viaduc de la Prédécelle – Méridon Castle loop from Forges-les-Bains

Hard

10

riders

Viaduc de la Prédécelle – Méridon Castle loop from Forges-les-Bains

02:14

30.2km

250m

Cycling

Hard bike ride. 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: June 21, 2026

Tips

Includes a segment that is highly dangerous

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

After 14.0 km for 29 m

Waypoints

A

Start point

Bus stop

Get Directions

1

129 m

Forges-les-Bains Church

Highlight • Other

Typical of the Chevreuse valley

Translated by Google •

Tip by

2

6.06 km

Viaduc de la Prédécelle

Highlight • Bridge

It is a mini viaduct which offers beautiful views

Translated by Google •

Tip by

3

6.09 km

Prédecelle Viaduct in Limours

Highlight • Bridge

4

12.8 km

I would not like to burst the bubble of the medieval dream, but for information, this tower is a construction of studies of the CEBTP of the Domain of St Paul, which was used to make tests on the concrete structures but also in plumbing in particular the runoff of sewage such as those from toilets ... Sorry for the reality check; No Jouvencelles to issue.

Translated by Google •

Tip by

5

14.0 km

Super atypical passage, I recommend

Translated by Google •

Tip by

6

16.7 km

The 11 Remarkable Oaks of Méridon Forest

Highlight • Natural Monument

They line the Vossery wood hiking trail

Translated by Google •

Tip by

7

18.3 km

Méridon Castle

Highlight • Castle

You can’t visit it, it is private.
Nice position in the forest.

Tip by

B

30.2 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

7.60 km

6.20 km

5.62 km

5.46 km

2.90 km

2.42 km

< 100 m

Surfaces

13.9 km

9.99 km

4.54 km

1.44 km

390 m

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Elevation

Elevation

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

Highest point (180 m)

Lowest point (80 m)

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Weather

Powered by Foreca

Friday 10 July

37°C

21°C

-- %

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