Eyach River: A Key Tributary of the Neckar in Baden-Württemberg
The Eyach is a significant river located in the state of Baden-Württemberg, Germany. Stretching approximately 50 kilometers, this waterway serves as a right tributary to the Neckar, carving a path through the diverse landscapes of southern Germany before reaching its confluence.
From its high-altitude origins to its final destination near Starzach, the Eyach passes through several historic communities, including Balingen and Haigerloch, playing a vital role in the regional hydrology of the area.
[ไม่มีภาพประกอบ]Key Facts
- Total Length: 50.4 km (31.3 mi).
- Basin Size: 354 km² (137 sq mi).
- Source: North of Pfeffingen (Albstadt) at 833 meters above sea level.
- Mouth: Flows into the Neckar at an altitude of 372 meters.
- Mean Discharge: 3.23 m³/s at the mouth.
- Primary Route: Flows northwest through Albstadt, Balingen, Haigerloch, Horb am Neckar, and Starzach.
Geography and Course
The Eyach begins its journey north of Pfeffingen, a district of Albstadt. Its source is situated at an elevation of 833 meters, positioned remarkably close to the European watershed—the dividing line that determines whether water flows toward the North Sea or the Black Sea. In fact, the Schmiecha, a tributary of the Danube, originates only a few hundred meters away.
As the river progresses northwest, it descends significantly in elevation, eventually meeting the Neckar at a height of 372 meters. The point of confluence is located near the village of Börstingen (a district of Starzach), specifically at the location of Eyach or the Eyach train station.
River Basin and Tributaries
The Eyach drains a basin of 354 square kilometers. Throughout its course, it is fed by a vast network of smaller streams and creeks. Notable tributaries include the Innentalbach, Buchbach, Wünschtalbach, and the Steinach, among many others that contribute to its mean discharge of 3.23 m³/s at the mouth.
| Feature | Detail |
|---|---|
| Country | Germany |
| State | Baden-Württemberg |
| Length | 50.4 km |
| Basin Area | 354 km² |
| Mouth Location | Neckar (near Starzach) |
| Source Altitude | 833 m |
Regional Significance and Natural Features
The river is central to the geography of several towns. It crosses or passes through Albstadt, Balingen, Haigerloch, Horb am Neckar, and Starzach, providing a natural corridor through the region.
One of the most unique geological features associated with the river is found in Bad Imnau. Here, a mofette—a vent that releases carbon dioxide from the earth—was discovered in an underground inlet to the river. This naturally carbonated water is harvested and sold commercially under the brand name Apollo.
Frequently Asked Questions
Where does the Eyach river start?
The Eyach originates north of Pfeffingen, which is a district of Albstadt, at an altitude of 833 meters.
Which larger river does the Eyach flow into?
The Eyach is a right tributary of the Neckar river, joining it near Starzach.
What is the total length of the Eyach?
The river flows for a total distance of 50.4 kilometers (approximately 31.3 miles).
What is the connection between the Eyach and Apollo mineral water?
In Bad Imnau, carbon dioxide from a mofette was found in an underground inlet to the Eyach; this water is the source of the bottled mineral water sold as Apollo.
How close is the Eyach to the Danube drainage system?
The source of the Eyach is only a few hundred meters away from the source of the Schmiecha, which is a tributary of the Danube, placing it very close to the European watershed.