Hardelot Castle – Small castle loop from Isques

Mountain biking trails

France

Hauts-De-France

Boulogne-Sur-Mer

Saint-Étienne-Au-Mont

Hardelot Castle – Small castle loop from Isques

Moderate

4.6

(8)

riders

Hardelot Castle – Small castle loop from Isques

03:05

42.0km

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: July 30, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 31.1 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 retained the remains of the 13th century fortification. In 2009 it was restored by the department, furnished and decorated in Victorian and Napoleon III style. Today, visitors are told about the history of the castle and what the Franco-English "accord cordial" is, as well as in a more general way the particular relations between these two countries.

Translated by Google •

Tip by

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

4.89 km

Small castle

Highlight • Other

5.04 km

Lac des Mirroir

Highlight • Other

9.35 km

Viewpoint

14.2 km

Blockhaus du coteau du fond des barges

Highlight • Other

Large Second World War munitions depot converted into bat reserve

Translated by Google •

Tip by

16.5 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

17.3 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

33.8 km

Mount violet

Highlight • Other

42.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

17.5 km

10.3 km

9.42 km

3.16 km

863 m

824 m

Surfaces

15.0 km

11.6 km

9.86 km

3.75 km

1.11 km

723 m

< 100 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

Thursday 15 October

16°C

11°C

78 %

Additional weather tips

Max wind speed: 25.0 km/h

to get more detailed weather forecasts along your route

Comments

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Hardelot Castle – Small castle loop from Isques

Hardelot Castle

Lake of Mirrors (Spiegelsee) – Condette Marsh

Small castle

Lac des Mirroir

Blockhaus du coteau du fond des barges

View of the Opal Coast

Hardelot Bunker

Mount violet

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