Middle Einersberger pond
| Middle Einersberger pond | |||||||||
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| Coordinates | 51 ° 48 ′ 51 ″ N , 10 ° 18 ′ 7 ″ E | ||||||||
| Data on the structure | |||||||||
| Lock type: | dam | ||||||||
| Construction time: | before 1672 | ||||||||
| Height above valley floor: | 7.74 m | ||||||||
| Crown length: | 179 m | ||||||||
| Operator: | Harz waterworks | ||||||||
| Data on the reservoir | |||||||||
| Water surface | 0.8 ha | ||||||||
| Reservoir length | 100 m | ||||||||
| Reservoir width | 80 m | ||||||||
| Total storage space : | 16 000 m³ | ||||||||
The Middle Einersberger Teich in the Harz is a reservoir near Clausthal-Zellerfeld in the Goslar district in Lower Saxony . It is one of the Upper Harz ponds that were created for Montanz purposes.
The 0.8 ha large and listed lake is located about 1 km west of the Zellerfeld district in the middle of the forest on the eastern slope of the Einersberg. The pond was created before 1672, probably before 1650. It can only be reached via hiking trails.
The pond has three outflows at different heights, which were created and must have been in operation at different times. In its greatest expansion stage, the pond was apparently only used for a short time. At the end a fourth outflow was cut as a deep indentation in the dam crest. In this way it was usually caused that the draining water ate its way deeper and deeper into the dam crest over time. This was to ensure that the abandoned pond could no longer pose a threat and was a common practice in Harz. Here, however, the cut was lined so that the lake received a lower and stable water level and did not dry out.
100 m up the valley is the Obere Einersberger Teich, which is 4 hectares larger . Only remnants are left of the Lower Einersberger Pond that adjoins the valley below .
Rare animal and plant species live in the middle Einersberger pond, so it should not be bathed in it. There is a swimming area at the Upper Einersberger Pond for swimming. The Mittlere Einersberger pond is not used for fishing purposes.