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Road cycling routes

Hauts-De-France

Bunker 14-18 - west entrance to Hénencourt – Naours Underground City loop from Longueau

Road cycling routes

Hauts-De-France

Bunker 14-18 - west entrance to Hénencourt – Naours Underground City loop from Longueau

Hard

28

riders

Bunker 14-18 - west entrance to Hénencourt – Naours Underground City loop from Longueau

05:48

134km

970m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: September 24, 2026

Waypoints

A

Start point

Train Station

1

28.9 km

Bunker 14-18 - west entrance to Hénencourt

Highlight • Other

2

61.3 km

Gravel segment Touttencourt - Contay

Highlight (Segment) • Other

Poorly maintained but easy-to-drive secondary road. Ideal for avoiding traffic.

Translated by Google •

Tip by

3

64.4 km

The Feudal Motte of Toutencourt

Highlight • Historical Site

4

78.9 km

Naours Underground City

Highlight • Other

At its origin, the underground of Naours was a chalk quarry used mainly for the tidal range of fields. In the 16th century, it was transformed into a refuge, called …

Translated by Google •

Tip by

5

79.7 km

Murals of the Church and School in Naours

Highlight • Monument

Small frescoes on the bridge in front of the church as well as on the large wall next to the school. There are several nods to the city.

Translated by Google •

Tip by

B

134 km

End point

Train Station

Way Types & Surfaces

Way Types

121 km

5.32 km

4.26 km

3.59 km

337 m

Surfaces

116 km

18.2 km

< 100 m

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Elevation

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

Highest point (150 m)

Lowest point (20 m)

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Weather

Powered by Foreca

Thursday 5 November

10°C

4°C

24 %

Additional weather tips

Max wind speed: 3.0 km/h

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