Hardtbach (Rhein)

Mouth of the Endenicher Bach from the right in the Dransdorfer stream on the Siemens road (Bonn)

Geography

The Hardt creek originates southwest of Volmershoven on the municipal boundary between Alfter and Meckenheim at an altitude of 159 m above sea level. NHN. From here, the creek flows to the northeast and reached after a short run the southern outskirts of Volmershoven. This leads coming from the forestry station Kotte stream that is specified by the waters stationing map of North Rhine -Westphalia, contrary to their own topographic maps as a source river with a total length of 17.1 km.

Continue north fluently flows through the Hardt Bach Witterschlick where the creek is channeled in the area of ​​a factory. His further career leads him on Nettekoven and Oedekoven to Bonn's Lessenich / Meßdorf. From the city limits of Altersbach is called. A few kilometers further reaches of the creek Dransdorf. From here, the creek Dransdorfer Bach is called. After the stream has passed under the federal highway 565, it changes for the last time the name and is called from here to the mouth Rheindorfer Bach or Mondorfer Bach. Before the creek still happens the district Auersberg before. In Graurheindorf to 50 m above sea NHN left-hand side flows into the Rhine.

On its 14.9 km long road of Bach overcomes a difference in altitude of 109 meters, which corresponds to an average bed slope of 7.3 ‰. The 71.189 km ² large catchment area is drained by the Rhine to the North Sea.

The most important tributary is the Endenicher Bach, even if it is not listed in the directory as a tributary waters.