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Routes
France
Hauts-De-France
Boulogne-Sur-Mer
Baincthun

View of the Opal Coast – Hardelot Bunker loop from Baincthun

Routes
France
Hauts-De-France
Boulogne-Sur-Mer
Baincthun

View of the Opal Coast – Hardelot Bunker loop from Baincthun

Hard

1

riders

View of the Opal Coast – Hardelot Bunker loop from Baincthun

03:51

60.6km

710m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 29, 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

Bus stop

Get Directions

1

2.55 km

Silent Zone, Boulogne Forest La Capelle

Highlight (Segment) • Forest

Beautiful place, quiet. Tarred path and pebbles. A haven of peace!

Translated by Google •

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2

11.1 km

Hesdigneul-lès-Boulogne

Highlight • Settlement

A forestry and farming village situated some 5 miles (8.0 km) south of Boulogne, at the junction of the D52 and D240 roads. The A16 autoroute forms the western border …

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3

22.6 km

Large Second World War munitions depot converted into bat reserve

Translated by Google •

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4

24.9 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 •

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5

25.7 km

Hardelot Bunker

Highlight • Historical Site

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

Translated by Google •

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6

45.4 km

Grand'Place Samer

Highlight • Other

This market town is famous for its strawberries, which have been cultivated for over a century. There is also an annual Strawberry Festival celebrated throughout the region. The Grand'Place, the …

Translated by Google •

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7

45.6 km

Samer and the Saint-Martin Church

Highlight • Religious Site

The 15th century church, a remnant of the abbey, has an octagonal bell tower and an 11th century Romanesque baptismal font. The structure is remarkable for the buildings that are built against the church, not unusual in the Middle Ages.

Translated by Google •

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8

50.6 km

Église Saint-Martin, Carly

Highlight • Other

Church rebuilt in the 19th century and the baptismal font dates from the 13th century.
Church of elongated and occidentee plan and one can see a cemetery all around.
It …

Translated by Google •

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B

60.6 km

End point

Bus stop

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Way Types & Surfaces

Way Types

22.7 km

15.2 km

9.68 km

6.85 km

3.89 km

2.38 km

Surfaces

26.8 km

19.2 km

11.0 km

1.91 km

1.57 km

114 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 (150 m)

Lowest point (10 m)

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Weather

Powered by Foreca

Tuesday 19 May

17°C

11°C

42 %

Additional weather tips

Max wind speed: 30.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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