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Haute Roche Castle Ruins – Dourbes Tunnel loop from Mariembourg

Routes

Mountain biking trails

Haute Roche Castle Ruins – Dourbes Tunnel loop from Mariembourg

Moderate

4.5

(2)

riders

Haute Roche Castle Ruins – Dourbes Tunnel loop from Mariembourg

02:54

32.9km

580m

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: May 29, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 12.1 km for 53 m

Waypoints

Start point

Train Station

Get Directions

5.10 km

Ferme Château de Dourbes

Castle

8.55 km

Haute Roche Castle Ruins

Highlight • Castle

The Château de Haute Roche, known locally as Château de Haute Roche or Château de Dourbes, is located south of the village of Dourbes.
This castle is located on a …

Translated by Google •

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12.0 km

Dourbes Tunnel

Highlight • Structure

Known on the map as "Tunnel des Dourbes". Where Dourbes refers to the Réserve naturelle de Dourbes". On the mountainside that you can climb with some beautiful steps you also …

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12.1 km

Enduro Descent to the Tunnel (Olloy Side)

Highlight (Segment) • Trail

Nice descent, more or less technical but without major difficulties. Be careful though, at the finish, steps and stairs have been set up.

A less technical, shorter but perhaps steeper alternative exists in parallel.

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13.2 km

View of the Frimoye Quarry and Olloy from La Roche aux Faucons

Highlight • Viewpoint

Viewpoint over Olloy and the Carrière de Frimoye.

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19.4 km

Viroin

Lake

21.2 km

Réserve naturelle de Dourbes

Nature Reserve

22.9 km

Mediterranean landscape

Highlight (Segment) • Natural

On the limestone plateau above the town of Nismes you walk across open dry grasslands and along fragrant pine trees - a very unusual landscape for the Ardennes. The porous, …

Translated by Google •

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25.1 km

View of Château de Nismes

Highlight • Viewpoint

Nice view of the castle of Nismes

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25.2 km

Mousty Arboretum

Highlight • Forest

The Mousty arboretum was planted in the last century by a forestry engineer who wanted to test different tree species for the limestone region. Today you can admire more than …

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32.9 km

End point

Train Station

Way Types & Surfaces

Way Types

14.8 km

7.43 km

5.54 km

3.81 km

1.33 km

Surfaces

14.8 km

6.75 km

5.57 km

4.11 km

1.33 km

289 m

Elevation

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

Highest point (250 m)

Lowest point (140 m)

Weather

Sunday 28 June

26°C

16°C

18 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Comments

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Haute Roche Castle Ruins – Dourbes Tunnel loop from Mariembourg

View of Haute Roche

Haute Roche Castle Ruins

Dourbes Tunnel

Enduro Descent to the Tunnel (Olloy Side)

View of the Frimoye Quarry and Olloy from La Roche aux Faucons

Mediterranean landscape

View of Château de Nismes

Mousty Arboretum

Nearby routes

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