Black Au

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Black Au
Fürst-Bismarck-Mühle in Aumühle

Fürst-Bismarck-Mühle in Aumühle

Data
Water code DE : 59544
location District of the Duchy of Lauenburg , Schleswig-Holstein , Germany
River system Elbe
Drain over Bille  → Elbe  → North Sea
source North of Schwarzenbek
53 ° 31 ′ 51 ″  N , 10 ° 28 ′ 34 ″  E
Source height 38  m above sea level NN
muzzle In Aumühle in the Bille coordinates: 53 ° 31 '52 "  N , 10 ° 18' 26"  E 53 ° 31 '52 "  N , 10 ° 18' 26"  E
Mouth height 11  m above sea level NN
Height difference 27 m

Left tributaries Black Bek, Süsterbek
Right tributaries Kammerbek, Ochsenbek
Reservoirs flowed through Pole pond, copper mill pond, mill pond

The Schwarze Au is a creek in southern Schleswig-Holstein that drains large parts of the Sachsenwald .

The source of the Black Au lies at 38 m above sea ​​level north of the town of Schwarzenbek . It crosses the Sachsenwald in an east-west direction, flows through the Aumühler district Friedrichsruh , where it is dammed up to the castle pond, and flows into the Bille in Aumühle at an altitude of 11 m above sea level . Immediately opposite the confluence is the production facility of the Fürst-Bismarck-Quelle , a subsidiary of the Nestlé Group.

course

The Schwarze Au rises in a pasture 300 meters south of the Havekost - Grove road . From its contained source, the Schwarze Au flows straight in the meadows and fields, mostly on the edge of small trees, first in a south-westerly direction. After 800 meters it is passed through a pipe under a field. After 200 meters it reappears and changes the direction of the river to southeast.

  • The source

  • with little water to the southeast

  • In the pipe under the field ...

  • ... and then to the southwest.

After crossing the old embankment of the disused railway line Schwarzenbek – Bad Oldesloe , it flows between Sachsenwald (Großer Radekamp) and the new B 404 past Schwarzenbek in a southerly direction. It crosses under this main road at the Radekamp forester's house. After the Au has crossed the Hamburg-Berlin railway line 600 m further south and has absorbed the water of the Schwarzen Bek , it flows west.

  • Still straightened

  • at the Sachsenwald

In Sachsenwald which opens Kammerbek in the Black Au , then the Au flows through the rod ponds to the former copper mill pond (not currently dammed and dry like) east of Friedrichsruh the water of Süsterbek take.

  • In the Sachsenwald ...

  • .... east of the rod ponds

  • Copper mill pond that has fallen dry

In Friedrichsruh it is dammed up to become the castle pond. In earlier times there was a paper mill here. The Ochsenbek , which drains the Kasseburg moor , also flows at this point . Shortly before it flows into the Bille , the Schwarze Au is dammed into the Aumühler Mühlenteich . The stream is 15 kilometers long.

history

The black meadow around 1790

The four dams of the Black Au were created to operate water mills, so that a historical industrial area was created on the Au.

Mill pond

The first mill was the grain mill on the mill pond just before the river flows into the Bille. It was first mentioned in a document in 1350 in a messenger invoice from the Hamburg treasury. It was a compulsory mill for 13 surrounding villages until the introduction of freedom of trade . In 1650 the Auemühle brewery is attached to the mill and licensing rights are granted. 1681 Construction of a sawmill "not far from the place where the awe flows into the bille" . The mill operation was stopped in 1959. The license associated with the mill was used to convert it into an inn.

Castle pond

A paper mill was built at the current castle pond in 1598, which milled rags for paper production until 1758. Then the buildings were converted into an iron factory. The paper mill becomes an iron hammer. Around 1800 there were a pig iron , belt and width hammer , a grinding mill , a turning and screw mechanism as well as a sawmill and an anchor forge. This iron factory operated until 1812.

Copper mill pond & rod pond

around 1620 the lower and upper copper mills are built

literature

Web links

Commons : Black Au  - collection of images, videos and audio files