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Mountain biking trails

Tour loop from Marais-Vernier

Mountain biking trails

Tour loop from Marais-Vernier

Easy

10

riders

Tour loop from Marais-Vernier

01:06

21.3km

60m

Mountain biking

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: July 20, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional des Boucles de la Seine Normande

Waypoints

A

Start point

Parking

1

7.43 km

Tour

Highlight • Monument

On the road to the cottages from the Marais Vernier

Translated by Google •

Tip by

2

8.09 km

Observatoire de la GRAND-Mare du Marais Vernier

Highlight • Other

Observatory of the GRAND-Mare of the Marais Vernier.
ancient meander of the Seine. the Marais Vernier constitutes a vast wetland of 4,500 ha located on an important bird migration corridor. …

Translated by Google •

Tip by

3

8.10 km

La Grand-Mare Observation Tower

Highlight • Viewpoint

La Grand'Mare is a hunting and wildlife reserve managed by the French Office for Biodiversity. Along with the Seine estuary, it is one of the favorite migratory stopovers for surface …

Translated by Google •

Tip by

4

21.1 km

Marais-Vernier Village and Thatched Cottages

Highlight • Settlement

Le Marais Vernier, to whom the village of Marais-Vernier owes its name, was a vast swamp in a loop of the Seine. In 1599, Henri IV decided to dry the …

Translated by Google •

Tip by

B

21.3 km

End point

Parking

Way Types & Surfaces

Way Types

19.1 km

1.74 km

488 m

Surfaces

18.0 km

2.92 km

397 m

< 100 m

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Elevation

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

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Weather

Powered by Foreca

Monday 12 October

20°C

13°C

68 %

Additional weather tips

Max wind speed: 24.0 km/h

to get more detailed weather forecasts along your route

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