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Mountain biking trails

Germany

North Rhine-Westphalia

Euskirchen

Hellenthal

View of the Olef Reservoir – Olef Reservoir loop from Prether Bachtal und Nebenbäche

Routes

Mountain biking trails

Germany

North Rhine-Westphalia

Euskirchen

Hellenthal

View of the Olef Reservoir – Olef Reservoir loop from Prether Bachtal und Nebenbäche

Moderate

4.8

(73)

104

riders

View of the Olef Reservoir – Olef Reservoir loop from Prether Bachtal und Nebenbäche

02:31

32.8km

390m

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 11, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Naturpark Hohes Venn-Eifel

Parc naturel des Hautes-Fagnes – Eifel

Waypoints

Start point

Bus stop

Get Directions

5.63 km

Hollerith Shelter

Highlight • Mountain Hut

Very nice and above all clean shelter with indoor and outdoor benches in a sunlit place.

Translated by Google •

Tip by

7.18 km

Oleftal

Nature Reserve

9.44 km

Oleftalsperre Inlet

Highlight • River

From the inlet you can drive towards Hollerrath or Belgium 🚴‍♂️👍🏻.

Translated by Google •

Tip by

13.4 km

View of the Olef Reservoir

Highlight • Viewpoint

beautiful view over the reservoir

Translated by Google •

Tip by

14.9 km

Oleftalsperre Dam

Highlight • Monument

View over the over 50 meter high dam of the Oleftalsperre.

Translated by Google •

Tip by

15.0 km

Olef Reservoir

Highlight • Lake

The Oleftalsperre was built in 1954-59. Due to cracks, the barrier had to be reinforced twice afterwards. Since 1965, the barrier has been used for drinking water, energy production and …

Translated by Google •

Tip by

15.3 km

Oleftalsperre

Highlight • Viewpoint

Great view of the dam.

Translated by Google •

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30.1 km

Westwall Remnants at Hollerath

Highlight • Historical Site

One of the many places that remind of the past war. However, today you can enjoy the peace and quiet of nature. In the evening you can often see deer that scares you while cycling ..

Translated by Google •

Tip by

30.2 km

Hollenthur Kain Monument – Ardennes Offensive Memorial

Highlight • Monument

32.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

30.4 km

1.76 km

672 m

< 100 m

Surfaces

17.1 km

13.7 km

1.23 km

536 m

285 m

Elevation

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

Highest point (630 m)

Lowest point (460 m)

Weather

Tuesday 30 June

22°C

12°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

Comments

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

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View of the Olef Reservoir – Olef Reservoir loop from Prether Bachtal und Nebenbäche

Hollerith Shelter

Oleftalsperre Inlet

View of the Olef Reservoir

Oleftalsperre Dam

Olef Reservoir

Oleftalsperre

Westwall Remnants at Hollerath

Hollenthur Kain Monument – Ardennes Offensive Memorial

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