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Retention basin of the Haaren-Wasseracht

Retention basin of the Haaren-Wasseracht

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Retention basin of the Haaren-Wasseracht

Recommended by 59 cyclists out of 62

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Location: Bad Zwischenahn, Ammerland, Lower Saxony, Germany

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Top cycling routes to Retention basin of the Haaren-Wasseracht

4.6

(114)

450

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1. View of the Küstenkanal loop from Oldenburg-Wechloy

50.3km

03:02

80m

Intermediate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Intermediate

4.6

(99)

466

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2. Hafenhaus Oldenburg – Railway Path to Zwischenahn loop from Krusenbusch

48.1km

02:56

70m

Intermediate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Intermediate

4.3

(16)

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3. About the Ofener Bäke – Haarenniederung Nature Reserve loop from Oldenburg-Wechloy

21.6km

01:30

50m

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Tips

Alwin R 🚲

September 7, 2021

The flood retention basin is 8.5 km above the Haaren estuary at the confluence of the Haaren and the Putthaaren.
With a maximum water level of +6.50 m above sea level, around 650,000 m³ can be stored in this valley on a flooded area of 70 ha. The backwater level is generally limited by the natural slopes. In the east, across the Haarental, a dam with a crown height of NN + 7.50 m and in the south to protect against the road "Woldlinie" a dam has been partially built to NN + 7.00 m.
The dam crown of the main dam is paved for maintenance work and repairs in a width of 3.00 m. Public transport is not permitted on this route.
The annual summer flood of the hair has a peak discharge rate of around 70 l / s · km². A peak discharge rate of 127 l / s · km² must be expected every 10 years.
With a backwater level of NN + 5.00 m, the basin holds 165,000 m³ with 17 hectares of flooded area. At a water level of 6.00 m above sea level, the basin capacity increases to 360,000 m³ with 45 ha of flooded area, and at the maximum storage level of 6.5 m above sea level, 70 ha are flooded with a basin capacity of 650,000 m³.
The entire system and the weir structure are designed in such a way that a maximum storage target of NN + 6.75 m with a basin volume of around 850,000 m³ could be achieved.

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Rolli

May 15, 2020

The retention basin is beautifully embedded in the landscape. You can reach the pool by bike either through the forest or on the paved road. The Haaren-Wasseracht even set up some benches there. You can take a break here on a bike tour

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Alwin R 🚲

August 27, 2021

This is the right place for beautiful photos

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Elevation 10 m

Weather

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Wednesday 22 October

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Max wind speed: 16.0 km/h

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Location: Bad Zwischenahn, Ammerland, Lower Saxony, Germany

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Retention basin of the Haaren-Wasseracht

1. View of the Küstenkanal loop from Oldenburg-Wechloy

2. Hafenhaus Oldenburg – Railway Path to Zwischenahn loop from Krusenbusch

3. About the Ofener Bäke – Haarenniederung Nature Reserve loop from Oldenburg-Wechloy

Other Popular Places to Check Out

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