Hanfbach

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Hanfbach
upper course: Irmerother Bach
Hennef, Hanfbach, near Lanzenbach, aerial view

Hennef, Hanfbach, near Lanzenbach, aerial view

Data
Water code DE : 27272
location Rhineland-Palatinate and North Rhine-Westphalia , Germany
River system Rhine
Drain over Victory  → Rhine  → North Sea
source East of the Buchholz -Irmeroth
50 ° 42 '18 "  N , 7 ° 25' 37"  O
Source height approx.  273  m above sea level NHN
muzzle In Hennef in the Sieg coordinates: 50 ° 46 ′ 25 ″  N , 7 ° 17 ′ 24 ″  E 50 ° 46 ′ 25 ″  N , 7 ° 17 ′ 24 ″  E
Mouth height 66  m above sea level NHN
Height difference approx. 207 m
Bottom slope approx. 11 ‰
length 19 km
Catchment area 51.495 km²
Discharge at the Geisbach
A Eo gauge : 48.9 km²
Location: 1.37 km above the mouth
NNQ (1976-08-26)
MNQ 1976/2007
MQ 1976/2007
Mq 1976/2007
MHQ 1976/2007
HHQ (1992-06-20)
35 l / s
81 l / s
567 l / s
11.6 l / (s km²)
12.7 m³ / s
43.2 m³ / s
The former Silistria mine produced zinc blende and lead ores in the Hanfbachtal until 1891.

The former Silistria mine produced zinc blende and lead ores in the Hanfbachtal until 1891 .

The Hanfbach is a left tributary of the Sieg . It rises in Rhineland-Palatinate about 800 meters northwest of the village of Griesenbach at about 273  m above sea level. NHN as Irmerother Bach . Near the village of Buchholz -Mendt it unites with the Mendter Bach and from here bears the name Hanfbach . It flows into Hennef at a height of 66  m . Its length is over 19 km, of which 13.6 km flow into North Rhine-Westphalia . The Hanfbach flows through the Hanfbach nature reserve and tributaries .

Even if the stream used to drive the so-called hemp mill, the name has nothing to do with hemp or hemp cultivation in this area. Researchers assume that the name was derived via hanapha (hanafa) from the Germanic hanan (singing, sounding) and apa (river, water), which could have meant something like sounding river . Indeed, when it rains heavily, the Hanfbach turns into a torrential body of water and the difference in altitude from the source to the mouth is also quite considerable at approx. 207 m over 13 km.

In addition, the name of the city of Hennef is derived from this brook. The place used to be called Hannafo .

The villages are also located in the 51 km² water catchment area of ​​the Hanfbach

Catchment area and tributaries

The catchment area of the Hanfbach is 51.495 km² and drains into the North Sea via Sieg and Rhine.

Tributaries of the Hanfbach
Stat. in km
Surname GKZ location Length
in km
EZG
in km²
Mouth
017.60 Oberscheider Bach (Source: Druden-Born ) 27272-114 Left0 001.0520 Mendt
017.50 Mendter Bach 27272-12 right 001.5570 0001.2270 Mendt
017.40 Steinberg Bach 27272-132 right 001.1130  
015.20 Buchholzer Bach (Liesbach) 27272-14 Left0 001.0310  
014.80 Louisengraben 27272-152 right 001.4730  
014.60 Solbach 27272-16 Left0 001.8600 Soap
014.20 Krautscheider Bach 27272-172 right 001.1290 Soap
013.70 Krummenaster Bach 27272-18 Left0 002.2280 0002.1040 Soap
013.30 N. N. 27272-1912 Left0 000.9590  
012.80 Wertebach 27272-192 right 002.0060 Kotthausen
011.80 Eudenbach 27272-2 Left0 004.0990 0003.2330 hemp
010.50 N. N. 27272-312 right 001.0350  
010.50 Dollenbach 27272-32 Left0 003.0550 0002.1870 Hemp mill
010.30 Eulenbach 27272-392 right 001.5360  
009.40 Müferpützbach 27272-394 Left0 002.0600 Dahlhausen
009.40 Scheussbach 27272-4 right 005.0040 0005.8760 Dahlhausen
008.30 Derenbach 27272-6 right 003.9300 0003.1490  
007.90 N. N. 27272-712 Left0 001.3210  
006.90 Mokelbach 27272-714 right 000.8860 Röttgen
005.70 Westerhausen brook 27272-72 Left0 001.9090 0002.0220 Kurenbach
004.40 Kuchenbach 27272-732 right 001.6930  
004.20 Rosental Bach 27272-74 Left0 002,4550 0002.1880 Lanzenbach
003.10 Ingenbach 27272-76 Left0 001.1410 0000.6720  
001.40 Höhner Bach 27272-8 right 004.3690 0003.4670  
001.20 Lüppichsbach 27272-92 Left0 002,3290 Hennef

Notes on the table

  1. Water code number , in Germany the official river code number with a separator inserted after the prefix for better readability, which stands uniformly for the Hanfbach receiving water that is common to all .

Individual evidence

  1. Map service of the landscape information system of the Rhineland-Palatinate nature conservation administration (LANIS map) ( notes )
  2. ^ German basic map 1: 5000
  3. a b Water directory of the State Office for Nature, Environment and Consumer Protection NRW 2010 (XLS; 4.67 MB) ( Notes )
  4. ^ Topographical Information Management, Cologne District Government, Department GEObasis NRW
  5. German hydrological yearbook Sieg / Geisbach 2007 ( Memento of the original from March 4, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. (PDF, 22.9 kB) @1@ 2Template: Webachiv / IABot / luadb.lds.nrw.de
  6. Nature reserve “Hanfbach and tributaries” in the specialist information system of the State Office for Nature, Environment and Consumer Protection in North Rhine-Westphalia