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Routes
Hiking trails & Routes
Germany
North Rhine-Westphalia
Bergisches Land
Oberbergischer Kreis
Bergneustadt

Knollen Viewing Tower – View of the Agger Reservoir (Aggertalsperre) loop from Lieberhausen

Routes
Hiking trails & Routes
Germany
North Rhine-Westphalia
Bergisches Land
Oberbergischer Kreis
Bergneustadt

Knollen Viewing Tower – View of the Agger Reservoir (Aggertalsperre) loop from Lieberhausen

Moderate

4.7

(65)

184

hikers

Knollen Viewing Tower – View of the Agger Reservoir (Aggertalsperre) loop from Lieberhausen

03:47

13.5km

270m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: May 17, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Naturpark Bergisches Land

Waypoints

A

Start point

Parking

Get Directions

1

786 m

Footbridge over the stream in Naturpark Bergisches Land

Highlight • Bridge

Nice little bridge that crosses a clear, cold stream. Great place for a little cooling down on the face and neck on hot days.

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2

1.12 km

Unfortunately not accessible due to broken wood!

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3

2.15 km

Part of the dam branch can be seen.

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4

3.59 km

Knollen Viewing Tower

Highlight • Viewpoint

Gigantic panoramic view high above the tree tops.

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5

6.32 km

Rengse Dam and Bergische Sun Bench

Highlight • Viewpoint

The Rengse Dam is part of the Aggertal Reservoir. It was built between 1927 and 1929 and continues to fulfill important functions in water management. From the bench, there is …

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6

7.95 km

Very relaxed path along the dam with a view of the water surface.

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7

12.2 km

Hiking trail

Highlight • Trail

Beautiful, narrow hiking trail through a valley with meadows, hedges and small groups of trees.

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8

12.3 km

Rosenthalseifen Water Wheel

Highlight • Monument

There is not only a beautiful water wheel here - the rest area is also uniquely designed.

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B

13.5 km

End point

Parking

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Way Types & Surfaces

Way Types

10.8 km

1.60 km

529 m

404 m

135 m

Surfaces

5.32 km

3.68 km

3.37 km

675 m

338 m

< 100 m

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Elevation

Elevation

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

Highest point (440 m)

Lowest point (290 m)

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Weather

Powered by Foreca

Friday 22 May

28°C

12°C

0 %

Additional weather tips

Max wind speed: 6.0 km/h

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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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