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Château des Bordes – Vaux‑en‑Cernay Lake loop from Bonnelles

Routes

Mountain biking trails

Château des Bordes – Vaux‑en‑Cernay Lake loop from Bonnelles

Moderate

4.4

(5)

riders

Château des Bordes – Vaux‑en‑Cernay Lake loop from Bonnelles

02:48

34.8km

390m

Mountain biking

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

Last updated: July 19, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 14.8 km for 233 m

Waypoints

Start point

Bus stop

Get Directions

1.04 km

Bonnelles Castle

Highlight • Castle

In Bonnelles, a small French commune in the Haute Vallée de Chevreuse Regional Nature Park, one of the sites is the Bonnelles Castle (built in the style of Louis XIII …

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7.34 km

Château des Bordes

Highlight • Castle

After a pretty climb, the small Château des Bordes offers you all its majesty... A real architectural gem!

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12.9 km

The waterfall at the Petit Moulin in Vaux-de-Cernay

Highlight • Natural Monument

Very beautiful hikes in this bucolic site.

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13.2 km

Near the Vaux waterfalls in Cernay

Highlight • Trail

Wonderful landscape ! and in the middle flows a river 😁

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13.3 km

Petit Moulin des Vaux de Cernay

Highlight • Structure

A former mill on the road

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13.4 km

Watermill and Waterfall at Parc naturel régional de la Haute Vallée de Chevreuse

Highlight • Waterfall

13.6 km

Vaux‑en‑Cernay Lake

Highlight • Lake

Breathtaking view of the pond
ideal for a picnic

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14.4 km

Réserve biologique dirigée de la Vallée des Vaux

Nature Reserve

22.2 km

Bois de la Brelinquinerie

Forest

23.5 km

Bois des Gaules

Forest

24.9 km

Hairpin Turns in Parc naturel régional de la Haute Vallée de Chevreuse

Highlight • Trail

There are 4 or 5 that follow each other. They allow you to work on the noseturns going down and the cardio goes crazy going uphill.

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34.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

12.5 km

11.4 km

8.26 km

2.35 km

217 m

123 m

Surfaces

13.1 km

10.4 km

7.22 km

2.33 km

1.28 km

517 m

Elevation

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

Highest point (170 m)

Lowest point (100 m)

Weather

Tuesday 1 September

27°C

11°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

Comments

March 23, 2025,On sort le VTT pour la Cernaysienne !

I'd been eyeing up this mountain bike outing organized by my local mountain bike club for a while, but I hesitated for a long time about participating:
* They promised some nice singletrack trails, crossing roots and steps: not my strong points...
* The glimpse I'd had of the marshy trails during the Paris-Nice race didn't make me want to …

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March 24, 2024,Cervenayse - 40km 2024 – 10 mars (41,9 km – D+ 700 m)

A lot of mud which got the better of my derailleur I ended up in one gear for the remaining 20km...

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Château des Bordes – Vaux‑en‑Cernay Lake loop from Bonnelles

Bonnelles Castle

Château des Bordes

The waterfall at the Petit Moulin in Vaux-de-Cernay

Near the Vaux waterfalls in Cernay

Petit Moulin des Vaux de Cernay

Watermill and Waterfall at Parc naturel régional de la Haute Vallée de Chevreuse

Vaux‑en‑Cernay Lake

Hairpin Turns in Parc naturel régional de la Haute Vallée de Chevreuse

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