Great Schmalenau

Great Schmalenau
Data
Water code	DE : 276266
location	North Rhine-Westphalia , Germany
River system	Rhine
Drain over	Heve  → Möhne  → Ruhr  → Rhine  → North Sea
source	In the Arnsberg Forest on the northern flank of the New Mountain 51 ° 24 ′ 30 ″  N , 8 ° 13 ′ 12 ″  E
Source height	478  m above sea level NHN
muzzle	At Neuhaus in the Heve coordinates: 51 ° 27 '17 "  N , 8 ° 9' 22"  E 51 ° 27 '17 "  N , 8 ° 9' 22"  E
Mouth height	240  m above sea level NHN
Height difference	238 m
Bottom slope	19 ‰
length	12.4 km
Catchment area	18.309 km²
Renatured part of the Große Schmalenau in the Arnsberg Forest on the border between Arnsberg and Möhnesee

The Große Schmalenau is a 12.4 km long, left tributary of the Heve in the North Rhine-Westphalian districts of Soest and Hochsauerlandkreis , Germany . It is located in the municipal areas of Warstein , Möhnesee and Arnsberg .

geography

The stream rises in the Arnsberg Forest on the northern flank of the New Mountain at an altitude of 478  m above sea level. NHN in the Soest district (in the Allagen district of Warstein ). First flowing in a northerly direction, the course turns to the west after about two kilometers. The Lüttmecke, coming from the south, flows west of the Schmalenausberg . Now the Große Schmalenau lies for about 4 km on the border of the Soest and Hochsauerlandkreis districts. The brook is sometimes exactly on the border and sometimes in one of the two circles, which is due to the changes in the course of the brook over the past hundred and fifty years. South of the Freienohler Höhe the stream turns to the northwest and flows east of Neuhaus at 240  m above sea level. NHN in the Heve .

With a height difference of 222 meters, the mean bed gradient is 17.9 ‰. The 18.309 km² catchment area is drained to the North Sea via the Heve, Möhne , Ruhr and Rhine .

Tributaries

The Große Schmalenau takes on numerous short tributaries. The longest of them is the Lüttmecke at 4.4 km . In the following, the tributaries of the Große Schmalenau are named with their name, position (stationing kilometers), position of the mouth, length and river code.

Surname	Stat. in km	location	Length in km	GKZ
Bohlenbergsiepen	11.048	right	0.7	276266 12
NN	7.329	right	1.5	276266 14
Lüttmecke	6,958	Left	4.4	276266 2
NN	5,879	Left	2.2	276266 32
Bumecke	5.423	Left	2.6	276266 4
Spakebach	5.127	Left	2.5	276266 52
Chicken strainers	4,985	right	0.7	276266 54
NN	3,994	Left	3.2	276266 6
Krummer siepen	3,876	right	1.7	276266 72
Devil's Siepen	3.009	Left	1.5	276266 8

nature and environment

The Großer Schmalenau is located in two nature reserves throughout the course : in the Arnsberger Wald nature reserve (NSG SO-029 in Warstein and Möhnesee) and in the Breitenbruch-Neuhaus nature reserve (NSG HSK-043 in Arnsberg). A few meters above the source of the Great Schmalenau lies on Mescheder urban area also the small-area nature reserve Schmalenaus fraction comprising a portion of the source horizon covers.

The Große Schmalenau is located in the Arnsberg Forest Nature Park . The kingfisher breeds by the stream and the black stork , which breeds in the adjacent forests, is a frequent food guest.

The Große Schmalenau was part of a LIFE project of the European Union, “Bachtäler im Arnsberger Wald” , which ran from 2009 to 2014 . In this project were u. a. Spruce stands by the stream converted into near-natural forests and previous stream straightening and bank barriers removed.

Web links

Commons : Große Schmalenau  - collection of pictures, videos and audio files

Individual evidence

1. ↑ ^{a b} German basic map 1: 5000
2. ↑ ^{a b c} Water directory of the State Office for Nature, Environment and Consumer Protection NRW 2006 ( Memento from February 15, 2010 in the Internet Archive ) (PDF; 1.03 MB)
3. ↑ Profile of the project. In: www.life-bachtaeler.de (LIFE project brooks in the Arnsberg forest). Retrieved November 26, 2015 . 
4. ↑ Goals and content. In: www.life-bachtaeler.de (LIFE project brooks in the Arnsberg forest). Retrieved November 26, 2015 .