Ohrtbrookgraben

The Ohrtbrookgraben in Uetersen

The Ohrtbrookgraben (s: Orthbrooks ditch ) is a right tributary of the Pinnau and forms at the bottom of the border between the two cities and Uetersen Tornesch.

Course

A portion of the proceeds Ohrtbrookgraben first underground today, starting at Tornescher station, and then continue towards Uetersen and, after the rain retention basins on the main branch. This arises in the field Heidgrabener Mark and then flows in the direction of Uetersen. From the Hochfeldstraße in Uetersen it runs about one kilometer underground through the city Uetersens, it crosses under the Ohrtbrookgraben county road 20 ( Wittstocker road). In the further course ( Above ground ), it clips the border area of the city Tornesch to then flow into Uetersen through the protected landscape meadow land. There, the bass horn trench empties into the Ohrtbrookgraben. In the course of Ohrtbrookgraben flows in the 2003 neugestaltene stormwater retention basin and a further retention basins. After that, its flow rate increased dramatically and it crosses several meadows and fields, and then flows under the county road 22 (Grand Twiete ) towards Pinnau. It crosses the Protected Landscape Area Former Pinnautal. The Ohrtbrookgraben opens in Pinnau km 11.9.

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