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Montée de la Pierre Turquaise – Le Petit Étang de Carnelle loop from Belloy-en-France

Routes

Mountain biking trails

Montée de la Pierre Turquaise – Le Petit Étang de Carnelle loop from Belloy-en-France

Easy

4.5

(2)

riders

Montée de la Pierre Turquaise – Le Petit Étang de Carnelle loop from Belloy-en-France

01:14

15.3km

190m

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: July 16, 2026

Tips

Includes a segment in which cycling is not permitted

After 13.8 km for 137 m

Waypoints

Start point

Bus stop

Get Directions

3.71 km

The Château-pital of Saint-Martin-du-Tertre

Highlight • Castle

A beautiful castle, located at the bottom of St Martin du Tertre, it has long served as a hospital. It seems that this is no longer the case. The hospital …

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5.35 km

Singletrack to reach the climb to Pierre Turquaise

Highlight (Segment) • Trail

Single in nature very nice but watch out for the overflowing vegetation and the traps on the ground.

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6.39 km

Montée de la Pierre Turquaise

Highlight • Other

A must in the Carnelle Forest, used by many cycle tourists with its 8% average. It stings your legs!

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7.38 km

Covered alley

Highlight • Historical Site

This funerary megalith dates back to the beginning of the Neolithic period! It is the largest and most famous of all the covered alleys in the Paris region, which has …

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8.14 km

A beautiful descent which precedes a beautiful climb... but be careful of the transition between the two, especially in winter: Lots of mud at the bottom of the descent, possible buffet/sun stop (I did...)

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9.44 km

The Blue Lake of Carnelle

Highlight • Forest

Lac Bleu is one of the two bodies of water in the Carnelle forest. On sunny days, its name takes on its full meaning. But there is another reason for …

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10.1 km

Le Petit Étang de Carnelle

Highlight • Lake

The Petit Étang de Carnelle is located in the heart of the forest of old marl quarries. With an area of 1.3 hectares and a depth of 20 meters, this …

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12.0 km

Saint-Martin-du-Tertre watchtower

Highlight • Monument

At 218 m altitude, the highest point of Val-d'Oise, you can discover an exceptional landscape on the plain of France, the hills of Châtenay-en-France, Écouen, Maffliers and Paris with the …

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15.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

4.65 km

4.63 km

4.50 km

1.50 km

< 100 m

Surfaces

6.94 km

5.44 km

2.00 km

651 m

208 m

115 m

Elevation

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

Highest point (200 m)

Lowest point (60 m)

Weather

Friday 17 July

30°C

16°C

39 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

Comments

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Montée de la Pierre Turquaise – Le Petit Étang de Carnelle loop from Belloy-en-France

The Château-pital of Saint-Martin-du-Tertre

Singletrack to reach the climb to Pierre Turquaise

Montée de la Pierre Turquaise

Covered alley

Route de la Touffe

The Blue Lake of Carnelle

Le Petit Étang de Carnelle

Saint-Martin-du-Tertre watchtower

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