Sinn (river)

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The Sinn where it enters the Franconian Saale
LocationHesse, Bavaria,  Germany
Reference no.DE: 2448
Physical characteristics
 ⁃ locationnear Oberwildflecken
 ⁃ coordinates50°23′07″N 9°58′14″E / 50.385194°N 09.970417°E / 50.385194; 09.970417Coordinates: 50°23′07″N 9°58′14″E / 50.385194°N 09.970417°E / 50.385194; 09.970417
 ⁃ elevationc. 671 m above sea level (NN)
 ⁃ location
near Gemünden into the Franconian Saale
 ⁃ coordinates
50°03′39″N 9°41′28″E / 50.06083°N 09.69111°E / 50.06083; 09.69111
 ⁃ elevation
c. 154 m above sea level (NN)
Length69.4 km (43.1 mi) [1]
Basin size623.78 km2[2]
 ⁃ average5,869 l/s
 ⁃ minimumAverage low: 1,174 l/s
Basin features
ProgressionFranconian SaaleMainRhineNorth Sea
 ⁃ leftOberbach, Mittelbach, Trockenbach, Mitzbach, Röthbach, Kretzengraben
 ⁃ rightZiegelhüttengraben, Disbach, Höllgraben, Leinbach, Krechenbach, Schmale Sinn, Gronaubach, Jossa, Aura, Fliesenbach

The Sinn is a river that flows through the state of Hesse and the Bavarian province of Lower Franconia in southern Germany. It is about 69 kilometres (43 mi) long and is a right, northerly tributary of the Franconian Saale.


The Sinn emerges in the Franconian Rhön at the foot of the Kreuzberg near the local subdistrict (Gemarkung) of Neuwildflecken. At Zeitlofs on the Hessian-Lower Franconian border it flows into the Schmale Sinn which joins it from the Dammersfeldkuppe to the northeast.

Accompanied in places by the Würzburg−Fulda railway and crossed by the A 7 motorway bridge below Riedenberg, the Sinn initially flows in a southwesterly and then in a southerly direction to Gemünden, where it joins the Franconian Saale just under 700 m before the latter river discharges into the River Main.


The tributaries of the Sinn include (in downstream order): Oberbach, Schmale Sinn, Gronau, Jossa and Aura.

Towns and villages[edit]

The towns and villages along the Sinn and Schmale Sinn include (in downstream order):


Wildflecken, Oberbach, Riedenberg, Bad Brückenau, Eckarts-Rupboden, Zeitlofs, Altengronau, Jossa, Obersinn, Mittelsinn, Burgsinn, Rieneck, Schaippach, Gemünden, (Oberzell).

Schmale Sinn[edit]

Kothen, Speicherz, the A 7 Grenzwald Bridge, Oberzell, Weichersbach, Mottgers


The existence of the extremely rare snake's head fritillary in the Sinn Valley has been recorded since the 19th century. This plant occurs at heights between 160 and 250 metres in various meadow communities, especially in the wet meadows of the two nature reserves that border one another: the Sinngrund near Obersinn and Sinnwiesen von Altengronau.


  1. ^ Complete table of the Bavarian Waterbody Register by the Bavarian State Office for the Environment (xls, 10.3 MB)
  2. ^ Fischereiverband Unterfranken: Sinn Archived 2010-10-22 at the Wayback Machine