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Routes
Running trails & routes
France
Hauts-De-France
Boulogne-Sur-Mer
Beuvrequen

Slack Dunes Pinewood – Pontoon at the Slack Dunes loop from Offrethun

Routes
Running trails & routes
France
Hauts-De-France
Boulogne-Sur-Mer
Beuvrequen

Slack Dunes Pinewood – Pontoon at the Slack Dunes loop from Offrethun

Hard

15

runners

Slack Dunes Pinewood – Pontoon at the Slack Dunes loop from Offrethun

02:38

23.8km

250m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: May 10, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional des Caps et marais d'Opale

Waypoints

A

Start point

Parking

Get Directions

1

8.45 km

GR120 and view of Wimereux

Highlight • Other

GR120 and view of Wimereux

Translated by Google •

Tip by

2

8.71 km

Path along the cliffs

Translated by Google •

Tip by

3

8.72 km

Cliffs GR120

Highlight • Other

Cliffs GR120

Translated by Google •

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4

10.8 km

The panoramic board is nice to orient yourself.

Translated by Google •

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5

11.5 km

Slack Dunes Pinewood

Highlight • Other

Slack Dunes Pine Forest

Translated by Google •

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6

11.7 km

Slack Dunes

Highlight • Natural

The dunes owe their name to the Slack River which crosses them and gives them a wild and unique character. You can run along the dunes and enjoy the view …

Translated by Google •

Tip by

7

11.8 km

Pine Forest of the Slack Dunes

Highlight • Forest

Pine forest of the Slack dunes

Translated by Google •

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8

12.5 km

Pontoon at the Slack Dunes

Highlight • Other

Pontoon at the Slack dunes

Translated by Google •

Tip by

B

23.8 km

End point

Parking

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Way Types & Surfaces

Way Types

8.70 km

6.29 km

4.21 km

2.32 km

2.27 km

< 100 m

< 100 m

Surfaces

9.93 km

5.37 km

4.23 km

2.40 km

1.87 km

< 100 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 (80 m)

Lowest point (10 m)

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Weather

Powered by Foreca

Sunday 7 June

17°C

13°C

59 %

Additional weather tips

Max wind speed: 30.0 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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