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Routes
Mountain biking trails
France
Hauts-De-France
Boulogne-Sur-Mer
Samer

Hardelot Bunker – View of the Opal Coast loop from Samer

Routes
Mountain biking trails
France
Hauts-De-France
Boulogne-Sur-Mer
Samer

Hardelot Bunker – View of the Opal Coast loop from Samer

Hard

4.0

(1)

47

riders

Hardelot Bunker – View of the Opal Coast loop from Samer

07:15

92.7km

1,290m

Mountain biking

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is right next to a parking lot.

Last updated: October 8, 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

Parking

Get Directions
1

12.5 km

Hameau trail

Highlight • Trail

2

14.0 km

Mount violet

Highlight • Other

3

29.2 km

Mountain Biking from Samer

Highlight • MTB Park

38.9 km

Viewpoint

Viewpoint

5

72.4 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

6

73.2 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

7

75.4 km

Large Second World War munitions depot converted into bat reserve

Translated by Google •

Tip by

B

92.7 km

End point

Parking

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Way Types & Surfaces

Way Types

37.5 km

32.2 km

11.8 km

8.48 km

1.52 km

1.25 km

< 100 m

Surfaces

37.1 km

28.1 km

18.2 km

4.36 km

3.22 km

1.05 km

839 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 (200 m)

Lowest point (10 m)

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Weather

Powered by Foreca

Sunday 18 October

12°C

6°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Comments

July 27, 2025,Sortie VTT
Demanding activity. Requires a bit of training, some nice bumps including the high peak 😉

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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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