Seefelder Aach

The Seefelder Aach is a river in the districts of Sigmaringen and Bodenseekreis, Tübingen region, southern Baden-Württemberg, Germany. It is approximately 55 kilometres long and flows into Lake Constance. It has a catchment area of 279 km² and is part of the Rhine river system. It starts as Salemer Aach and becomes the Seefelder Aach after the conjunction with the Deggenhauser Aach, further down from Salem.^[1] The upper part – near Aach-Linz – it is also colloquially called Linzer Aach or Hintere Aach.^[2][3]

Seefelder Aach Salemer Aach, Linzer Aach
Location
Country	Germany
State	Baden-Württemberg
Region	Tübingen
Physical characteristics
Source
• location	Between Alberweiler and Herdwangen in Herdwangen-Schönach
• elevation	670 m (2,200 ft)
Mouth
• location	Next to Seefelden in Uhldingen-Mühlhofen into Lake Constance
• coordinates	47.7331°N 9.2264°E / 47.7331; 9.2264
• elevation	395 m (1,296 ft)
Length	54.7 km (34.0 mi) [1]
Basin size	279 km2 (108 sq mi) [1]
Basin features
Progression	Rhine→ North Sea
Tributaries
• left	Furtbach, Erlengraben, Aubach, Deggenhauser Aach, Gießbach
• right	Herdenbach, Wäschbach, Torpenbach, Nellenflurb

References

1. Map services of the Baden-Württemberg State Office for the Environment, Survey and Conservation (Landesanstalt für Umwelt, Messungen und Naturschutz Baden-Württemberg)
2. „Hintere Aach“ e.g. in „DTK50 BW“ (dig. topogr. Karte (digital topographic map); see there at the reach at Ahausen (Bermatingen-)Ahausen), however here only called „Aach“, and also in „Der Große Weltatlas“ (Bertelsmann; 1992)
3. „Hinter Aach“ (the missing „e“ may be a typo) for example in „Der Große Falk-Atlas“ (2003/04 – Deutschland/Europa)