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Germany

North Rhine-Westphalia

Euskirchen

Hellenthal

Oleftalsperre Dam – View of the Olef Reservoir loop from Hellenthal

Routes

Running trails & routes

Germany

North Rhine-Westphalia

Euskirchen

Hellenthal

Oleftalsperre Dam – View of the Olef Reservoir loop from Hellenthal

Hard

runners

Oleftalsperre Dam – View of the Olef Reservoir loop from Hellenthal

03:10

28.6km

380m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 15, 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

1.03 km

Oleftalsperre Dam

Highlight • Monument

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

Translated by Google •

Tip by

1.10 km

View of the Oleftalsperre from the Bench

Highlight • Viewpoint

Nice rest area that offers us a great view of the Oleftalsperre.

Translated by Google •

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1.48 km

View of the Olef Dam

Highlight • Viewpoint

At this point, you have access to the reservoir via a narrow path that is hardly recognizable from the main path. Once at the bottom, you have a beautiful view over the lake and the dam wall...

Translated by Google •

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2.55 km

View of the Olef Reservoir

Highlight • Viewpoint

beautiful view over the reservoir

Translated by Google •

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4.44 km

Trees Felled by Beavers

Highlight • Natural

4.52 km

Shelter with a View of the Oleftalsperre

Highlight • Mountain Hut

Along the Oleftalsperre there are always huts where you can take shelter if you are surprised by storms. This still offers a beautiful view over the reservoir.

Translated by Google •

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6.55 km

Rest Area on the Olef

Highlight • Rest Area

8.47 km

Fun singletrack

Highlight (Segment) • Trail

Videos of the section of the single trail from Hollerather Knie through the Oleftal to the inlet of the dam can be found on my YouTube channel at:
Part01:
…

Translated by Google •

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28.6 km

End point

Bus stop

Way Types & Surfaces

Way Types

24.7 km

1.97 km

1.44 km

327 m

< 100 m

Surfaces

18.7 km

3.23 km

2.87 km

2.84 km

967 m

< 100 m

Elevation

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

Highest point (650 m)

Lowest point (410 m)

Weather

Today

Saturday 11 July

29°C

15°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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Oleftalsperre Dam – View of the Olef Reservoir loop from Hellenthal

Oleftalsperre Dam

View of the Oleftalsperre from the Bench

View of the Olef Dam

View of the Olef Reservoir

Trees Felled by Beavers

Shelter with a View of the Oleftalsperre

Rest Area on the Olef

Fun singletrack

Nearby routes

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