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Routes
Mountain biking trails
France
Ile-de-France
Palaiseau
Forges-Les-Bains

Étang de la Baleine – Château du Marais loop from Forges-les-Bains

Routes
Mountain biking trails
France
Ile-de-France
Palaiseau
Forges-Les-Bains

Étang de la Baleine – Château du Marais loop from Forges-les-Bains

Easy

4.1

(7)

19

riders

Étang de la Baleine – Château du Marais loop from Forges-les-Bains

01:56

24.7km

230m

Mountain biking

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 13, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Natura 2000 du Massif de Rambouillet et Zones Humides Proches

Waypoints

A

Start point

Bus stop

Get Directions

1

2.67 km

Sandpit

Highlight • Other

Nice little sandpit with some bumps

Translated by Google •

Tip by

2

4.26 km

Les Flèches des Cathédrales

Highlight • Monument

The Arrows of the Cathedrals is a monumental metal sculpture, created by Georges Saulterre and installed in 1989 along the A10 in the area of Forges-les-Bains. At a height of …

Translated by Google •

Tip by

3

5.50 km

Étang de la Baleine

Highlight • Lake

beautiful view of the lake which is worth a detour

Translated by Google •

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4

6.99 km

Angervilliers Forest

Highlight • Other

5

15.4 km

Château du Marais

Highlight • Castle

nice spot on the bridge with seen the castle

Translated by Google •

Tip by

6

22.9 km

Forges-les-Bains Church

Highlight • Other

Typical of the Chevreuse valley

Translated by Google •

Tip by

7

23.4 km

Château de Forges-les-Bains

Highlight • Castle

The castle of Forges-les-Bains was built in the 17th century, before being remodeled in the 18th century by Edme Mathurin Le Jariel, the king's squire.

Translated by Google •

Tip by

B

24.7 km

End point

Bus stop

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Way Types & Surfaces

Way Types

15.5 km

4.44 km

2.41 km

1.29 km

867 m

152 m

Surfaces

6.62 km

5.14 km

4.93 km

4.55 km

3.18 km

266 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 (170 m)

Lowest point (70 m)

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Weather

Powered by Foreca

Wednesday 27 May

32°C

16°C

23 %

Additional weather tips

Max wind speed: 9.0 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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