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Mountain biking trails

France

Hauts-De-France

Boulogne-Sur-Mer

Saint-Étienne-Au-Mont

Hardelot Castle – Hardelot Bunker loop from Isques

Routes

Mountain biking trails

France

Hauts-De-France

Boulogne-Sur-Mer

Saint-Étienne-Au-Mont

Hardelot Castle – Hardelot Bunker loop from Isques

Moderate

4.6

(8)

riders

Hardelot Castle – Hardelot Bunker loop from Isques

03:05

41.7km

600m

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: March 20, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 30.8 km for 425 m

Waypoints

Start point

Bus stop

Get Directions

4.30 km

Hardelot Castle

Highlight • Castle

This neo-Gothic mansion is located in front of the lake of mirrors. It was built in the 19th century by Sir John Hare, who drew inspiration from Windsor Castle but …

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4.70 km

Lake of Mirrors (Spiegelsee) – Condette Marsh

Highlight • Lake

The pretty Lac des Miroirs (Spiegelsee) is picturesquely situated in the Marais de Condette nature reserve.

Translated by Google •

Tip by

9.05 km

Panorama of Neufchâtel-Hardelot

Highlight • Viewpoint

Panorama point marked on the map, near an antenna.
Of course with beautiful views!

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13.9 km

Blockhaus du coteau du fond des barges

Highlight • Other

Large Second World War munitions depot converted into bat reserve

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16.1 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

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Tip by

17.0 km

Hardelot Bunker

Highlight • Historical Site

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

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33.5 km

Mount violet

Highlight • Other

41.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

16.9 km

10.8 km

9.14 km

3.11 km

868 m

830 m

Surfaces

14.7 km

10.9 km

10.4 km

3.67 km

1.06 km

749 m

109 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (170 m)

Lowest point (20 m)

Weather

Sunday 17 May

13°C

8°C

64 %

Additional weather tips

Max wind speed: 21.0 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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Hardelot Castle – Hardelot Bunker loop from Isques

Hardelot Castle

Lake of Mirrors (Spiegelsee) – Condette Marsh

Panorama of Neufchâtel-Hardelot

Blockhaus du coteau du fond des barges

View of the Opal Coast

Hardelot Bunker

Mount violet

Nearby routes

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