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Routes
Mountain biking trails
France
Hauts-De-France
Oise
Fontaine-Chaalis

Château d'Ermenonville – View from the treetops loop from La Mer de Sable

Routes
Mountain biking trails
France
Hauts-De-France
Oise
Fontaine-Chaalis

Château d'Ermenonville – View from the treetops loop from La Mer de Sable

Moderate

4.5

(13)

39

riders

Château d'Ermenonville – View from the treetops loop from La Mer de Sable

02:16

25.9km

330m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is right next to a parking lot.

Last updated: August 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional Oise-Pays de France

Waypoints

A

Start point

Parking

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1

3.56 km

Ermenonville Forest

Highlight • Forest

Spanning over 3,300 hectares, the Ermenonville forest, along with those of Halatte and Chantilly, forms the vast Trois Forêts massif. Once owned by the monks of Chaalis and other nearby …

Translated by Google •

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2

4.53 km

Jean-Jacques Rousseau Park is an old garden that perfectly represents the romantic spirit. Far from geometric shapes, it pays true homage to nature in its purest state. As its name …

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3

4.73 km

Château d'Ermenonville

Highlight • Castle

The Château d'Ermenonville is a medieval fortress which was transformed into a castle in the 18th century. The castle is located in the heart of a country-inspired park, from where …

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4

4.98 km

Great fun outing, children will be able to "get away from it all" in the castle park, discover a dinosaur at each new turn, go rodeo - dino and eat …

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5

11.6 km

A pleasant descent

Highlight • Trail

6

14.5 km

The Sorcerer's Stone

Highlight • Viewpoint

The Witch's Stone is a large sandstone table stone. It overlooks the forest and offers a superb view of the treetops. You can see the sea of sand and even make out the bell tower of Senlis Cathedral.

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7

14.5 km

View from the treetops

Highlight • Other

The Witch Stone is a large tabular sandstone stone.
It overlooks the forest and offers a superb panorama of the treetops. We can see the sea of sand and we can even see the bell tower of Senlis Cathedral!

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8

22.5 km

Ermenonville’s Mer de Sable singletrack

Highlight (Segment) • Trail

Fine Single downhill, quite narrow at times. We pass in the middle of nature on a trail that winds continuously.

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B

25.9 km

End point

Parking

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Way Types & Surfaces

Way Types

16.8 km

6.14 km

1.46 km

1.35 km

190 m

Surfaces

16.7 km

5.80 km

2.44 km

566 m

470 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 (120 m)

Lowest point (70 m)

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Weather

Powered by Foreca

Friday 16 October

16°C

7°C

0 %

Additional weather tips

Max wind speed: 23.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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