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Mountain biking trails

Hauts-De-France

The Grand Lake - Belle Dune – Baie d'Authie loop from Vival By Casino

Mountain biking trails

Hauts-De-France

The Grand Lake - Belle Dune – Baie d'Authie loop from Vival By Casino

Easy

4.3

(3)

19

riders

The Grand Lake - Belle Dune – Baie d'Authie loop from Vival By Casino

00:48

15.4km

40m

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: August 16, 2026

Tips

Includes a segment in which cycling is not permitted

After 2.62 km for 96 m

Waypoints

A

Start point

Parking

1

4.21 km

The Grand Lake - Belle Dune

Highlight • Settlement

The car-free Ecological Holiday Park Belle Dune is located in a protected environment 2 km from the sea and is truly an oasis of peace. The holiday park consists of …

Translated by Google •

Tip by

2

7.76 km

Baie d'Authie

Highlight • Beach

Vast marine marshland, the Authie bay is home to remarkable fauna and flora. The wild landscapes are very diverse. They alternate between salt meadows, ponds and dunes.

Showing Translation

Tip by

B

15.4 km

End point

Parking

Way Types & Surfaces

Way Types

9.73 km

4.90 km

726 m

< 100 m

< 100 m

Surfaces

8.53 km

6.04 km

470 m

237 m

< 100 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

Sunday 18 October

13°C

3°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

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