Traun (Alz)

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The Traun in Traunstein

The Traun in Traunstein

Water code EN : 1848
location District of Traunstein ( Bavaria )
River system Danube
Drain over Alz  → Inn  → Danube  → Black Sea
origin Confluence of the Weißer and Roter Traun near Siegsdorf
47 ° 49 ′ 58 ″  N , 12 ° 38 ′ 47 ″  E
Source height approx.  600  m
muzzle At Altenmarkt an der Alz from the right into the Alz coordinates: 48 ° 0 ′ 31 ″  N , 12 ° 32 ′ 11 ″  E 48 ° 0 ′ 31 ″  N , 12 ° 32 ′ 11 ″  E
Mouth height 487  m
Height difference approx. 113 m
Bottom slope approx. 2.1 ‰
length 54.5 km 
with OL Fischbach and Weisse Traun
28.9 km 
from Zsfls. White / Red Traun
Catchment area 380.21 km²
Discharge at the Stein
A Eo gauge : 367 km².
Location: 2.2 km above the mouth
NNQ (11/02/1947)
MNQ 1926–2006
MQ 1926–2006
Mq 1926–2006
MHQ 1926–2006
HHQ (08/12/2002)
2.1 m³ / s
4.04 m³ / s
13 m³ / s
35.4 l / (s km²)
178 m³ / s
425 m³ / s
Medium-sized cities Traunstein , Traunreut

The Traun is a 54 km long river in the Upper Bavarian district of Traunstein that starts at the source of the Fischbach in northern Tyrol and flows into the Alz from the right and south-southeast near Altenmarkt an der Alz . There is also a more important river of the same name in Upper Austria .



Confluence of the Weißer (left) and Roter Traun (right)

The Traun is created by the confluence of the Weißer and Roter Traun a little north of Siegsdorf . The two source rivers have their name affixes according to the color of their water; The longer White Traun, which comes from the south, drains a wooded region and therefore has very clear and light water, whereas the Red Traun with its reddish to brownish water runs through a moorland near Inzell in the southeast .

The river, only called the Traun after unification, runs from Siegsdorf in a north to north-north-west direction through the district of Traunstein. He passes Traundorf, which belongs to Siegsdorf, and then passes through the district town of Traunstein . The municipality of Nussdorf in Chiemgau associated Aiging is again only on the left bank, the city Traunreut belonging Traunwalchen contrast, as well as the further down following the city itself and its place Stein an der Traun then on the right. At Altenmarkt an der Alz , located on the wedge of land between the two rivers, the Traun finally flows into the Alz from the right 28.8 km below its confluence and 54.5 km below the farthest source of the Weißen-Traun-Oberlaufs Fischbach .

Catchment area

The catchment area of ​​the Traun extends in the south along the main stretch of the upper reaches of the Fischbach of the White Traun, a little further across the Bavarian border to the Waidringer Alps in the Austrian state of Tyrol . In total it covers about 380.2 km². In the west, the watershed runs against the Chiemsee inflow Tiroler Achen and its outflow Alz , its own receiving water. In the east the Salzach competes mostly at a greater distance , in the southeast and south the Salzach tributary Saalach . In the end, all competitors also drain into the Inn .

The highest point in the catchment area is at the summit of about 1961  m above sea level. NHN high Sonntagshorn on the German-Austrian border.


  • Weisse Traun (left upper course on the main line)
  • Rote Traun (right upper course)
  • Schweinbach (left)
  • Burgstaller Graben (right)
  • Röthelbach (right)
  • Stone trench (right)
  • Grundbach (right)
  • Großhaufertsgraben (right)
  • Rettenbach (right)
  • Anninger Bach (right)

Individual evidence

  1. a b List of brook and river areas in Bavaria - Inn river area, page 53 of the Bavarian State Office for the Environment, as of 2016 (PDF; 2.8 MB)
  2. Directory of creek and river areas in Bavaria - Inn river area of the Bavarian State Office for the Environment, as of 2016 (PDF; 2.8 MB) (pages 53 to 55)
  3. ^ German Hydrological Yearbook Danube Region 2006 Bavarian State Office for the Environment, p. 249, accessed on October 4, 2017, at: (PDF, German, 24.2 MB).

Web links

Commons : Traun  - Collection of images, videos and audio files