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Routes
Mountain biking trails
France
Hauts-De-France
Boulogne-Sur-Mer
Hesdigneul-Lès-Boulogne

Hardelot Bunker – View of the Opal Coast loop from Hesdigneul

Routes
Mountain biking trails
France
Hauts-De-France
Boulogne-Sur-Mer
Hesdigneul-Lès-Boulogne

Hardelot Bunker – View of the Opal Coast loop from Hesdigneul

Moderate

4.5

(2)

14

riders

Hardelot Bunker – View of the Opal Coast loop from Hesdigneul

02:59

45.6km

440m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 19, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional des Caps et marais d'Opale

Waypoints

A

Start point

Train Station

Get Directions

1

8.15 km

Gravel trail

Highlight • Other

2

10.0 km

Magnificent 90% trail walk

Highlight • Trail

Rolling segment with small hazards

Translated by Google •

Tip by

10.6 km

Réserve biologique dirigée de la Claireau

Nature Reserve

4

14.4 km

Hardelot Beach

Highlight • Beach

wonderful beach, it is worth

Translated by Google •

Tip by

5

15.1 km

Hardelo

Highlight • Natural

32.5 km

Viewpoint

Viewpoint

7

35.3 km

Hardelot Bunker

Highlight • Historical Site

you can admire part of our heritage but above all a piece of history

Translated by Google •

Tip by

8

36.1 km

View of the Opal Coast

Highlight • Viewpoint

very beautiful panorama not to be missed with sea view easy to access on foot or by bike

Translated by Google •

Tip by

9

39.3 km

Hameau trail

Highlight • Trail

B

45.6 km

End point

Train Station

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Way Types & Surfaces

Way Types

18.0 km

15.3 km

5.80 km

3.86 km

2.66 km

Surfaces

20.9 km

13.2 km

6.02 km

2.43 km

2.13 km

1.00 km

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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 (170 m)

Lowest point (10 m)

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Weather

Powered by Foreca

Wednesday 8 July

29°C

17°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

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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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Moderate

4.7

202

Mont de Couple – View of the Opal Coast loop from Ambleteuse

04:01h

50.6km

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