The pebble beach below the weir is very popular in summer. But entering and bathing are prohibited by nature conservation. However, the "recreational area" above the weir is permitted.
The salmon don't care. They continue to reproduce and jump up the weir in autumn to spawn in the upper reaches.

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Stefan Michaelis

March 1, 2024

Hiking

From the path on the dam you have a very nice view of the weir. The sound of the water is a relief after the previous traffic noise.

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Uwe Mengel

July 30, 2024

Hiking

Below the weir there are pebble beaches on the left and right where you can sunbathe and refresh yourself in the Sieg.

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Best routes to Agger Weir (Weir on the Sieg River)

4.6

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113

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1. Lake Sieglar – Sieg riverbank in Siegaue loop from Siegburg/Bonn

22.9km

05:48

50m

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Hard

4.2

(22)

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2. Confluence of the Agger and the Sieg – Sieg River loop from Siegburg/Bonn

10.6km

02:42

40m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

4.5

(6)

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3. Heather fields in the Wahner Heide – Heideweg Wiemers Loch loop from Troisdorf

14.5km

03:45

90m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Details

Informations

Elevation 60 m

Weather

Friday 13 February

3°C

-1°C

21 %

Additional weather tips

Max wind speed: 18.0 km/h

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Location: Troisdorf, Rhein-Sieg-Kreis, Cologne District, North Rhine-Westphalia, Germany

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Agger Weir (Weir on the Sieg River)

1. Lake Sieglar – Sieg riverbank in Siegaue loop from Siegburg/Bonn

2. Confluence of the Agger and the Sieg – Sieg River loop from Siegburg/Bonn

3. Heather fields in the Wahner Heide – Heideweg Wiemers Loch loop from Troisdorf

Other Popular Places to Check Out

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