Forthbach

Forth river with tributary west of Langenberg

The Forth Bach ( also Fortenbach ) is an orographic left tributary of the pit creek in North Rhine -Westphalia, Germany. It has a length of 19.6 km.

River course

The Forth Bach built to the east of Mack Mountain in the Beckumer mountains and flows out to the east. First, the water heads north on belonging to the city Oelde district Sünninghausen past, where it holds the right side the Tienenbach and forms according to the flow of the peasantry Wibberich in a 3.2 km section of the border city of Oelde against the church Wadersloh before it in the municipality of Langenberg occurs.

After the Forth river passes north on Long Berger local area, he turns to the northeast and enters the urban area of ​​Rietberg, where the water is also known under the name Schwalenbach. After the right-hand tributary of the Upper Schwalenbaches of Forth Brook Rietberger district Bokel flows north on the left into the designated as Bokel- Mastholter main channel in this section pit Bach, after only a few meters before coming in from right Lannertbach is opens.

The Forth Bach overcomes during its flow path a height difference of 70 meters, thus results in an average bed slope of 3.6 ‰.

Characteristics

The run of the Forth stream can be divided into three types of flowing water: from the source to the Langenberg municipal boundary the waters is considered pebble embossed lowland stream (type 16); from there up to the crossing of the B 55 north of the Forth Langenberg stream the water type "Sand Embossed lowland streams " (type 14) is attributed. In the lower reaches to the mouth of one of Bach with increasingly -widening floodplain as Small lowland rivers in river and stream valleys (type 19).