Cologne District

Oleftalsperre Dam

North Rhine-Westphalia

Cologne District

Euskirchen

Hellenthal

Oleftalsperre Dam

Highlight • Monument

Oleftalsperre Dam

Mountain biking

4.9

(142)

Hiking

4.9

(91)

Running

5.0

(24)

Cycling

5.0

(4)

Gravel riding

5.0

(1)

This Highlight is in a protected area

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Naturpark Hohes Venn-Eifel

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Location: Hellenthal, Euskirchen, Cologne District, North Rhine-Westphalia, Germany

Tips

January 4, 2021

Running

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

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Jürgen B.

July 21, 2025

Hiking

It's worth taking advantage of the few opportunities to go directly to the water. The views and photo opportunities are not to be underestimated.

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Tobi

September 14, 2025

Hiking

Overflow of the Oleftalsperre

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Nearby routes

Best routes near Oleftalsperre Dam

4.7

(165)

164

riders

#1.

Olef Reservoir – View of the Olef Reservoir loop from Blumenthal

30.4km

02:15

380m

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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Moderate

4.9

(82)

111

riders

#2.

Olef Reservoir – View of the Olef Reservoir loop from Hänge und Seitentäler des Oleftals zwischen Gemünd und Schleiden

58.1km

03:35

550m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

4.8

(79)

105

riders

#3.

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

32.8km

02:31

390m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Details

Informations

Elevation 530 m

Weather

Monday 21 September

16°C

6°C

-- %

Additional weather tips

Max wind speed: -- km/h

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Take Me There

Location: Hellenthal, Euskirchen, Cologne District, North Rhine-Westphalia, Germany

Other Popular Places to Check Out

Oleftalsperre North Shore

Platißbach Trail

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Burg Reifferscheid

Fürth Stream Crossing and Bridge

Höddelbachtal Nature Reserve

Oleftalsperre

Forest Trail in Naturpark Hohes Venn-Eifel

Singletrack Reifferscheid–Büschem

Oleftalsperre Dam

#1.

Olef Reservoir – View of the Olef Reservoir loop from Blumenthal

#2.

Olef Reservoir – View of the Olef Reservoir loop from Hänge und Seitentäler des Oleftals zwischen Gemünd und Schleiden

#3.

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

Other Popular Places to Check Out

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