The Eyach has its source north of Pfeffingen (a district of Albstadt) at an altitude of 833 metres, only a few hundred metres from the European watershed and a tributary of the Danube, the Schmiecha, which has its source there. At Eyach at a height of 372 m from the right it flows into the Neckar. Its mean discharge at the mouth is 3.23 m³/s.[2]
From source to meadow
- Innentalbach, right
- Buchbach, left
- Wünschtalbach, right
- Kieserstalbach
- Irrenbach
- Rohrbach
- Ochsentalbach, left
- Käsentaler Bach, right
- Meßstetter Talbach, left
- Kehlenbach, right
- Bruckbach (!), left
- (unnamed creek from the Reuten), left
- Lauterbach, left
- Steinbach, left
- Eltschbach, right
- Zerrenstallbach, left
- Hakenbach, left
- Strichgraben, left
- Schalksbach, right
- Rappentalbach, left
- Bitzgraben, right
- Grundbach, left
- Beutenbach, left
- Böllbach, right
- Hühnerbach, left
- Steinach, left
- Etzelbach, right
- Reichenbach, right
- Talgraben, left
- Kaunterbach, left
- Schnürgraben, left
- Talbach, right
- Klingenbach, right
- Talbach, right
- Mittelsbach, left
- Dietenbach, right
- Rötenbach, left
- Sulzbach, right
- Stunzach, left
- Bruckbach (!), right
- Butzengraben, left
- Laibebach, left
- Feldbach, right
- Kegelbach, left
- Kohlwaldgraben, right
On its almost 50 km long way to the northwest the Eyach crosses or passes through the following communities:
At Eyach or the train station Eyach, two kilometers west of the village Börstingen (a district of Starzach), the Eyach flows into the Neckar.
In Bad Imnau carbon dioxide was found in an underground inlet to the river. Today this water is sold under the name Apollo in bottles.[3]
