The Riss (, ) is a small

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

Baden-Württemberg Baden-Württemberg ( ; ), commonly shortened to BW or BaWü, is a states of Germany, German state () in Southwest Germany, east of the Rhine, which forms the southern part of Germany's western border with France. With more than 11.07 million i ...

, south-western

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

, right tributary of the

Danube The Danube ( ; see also #Names and etymology, other names) is the List of rivers of Europe#Longest rivers, second-longest river in Europe, after the Volga in Russia. It flows through Central and Southeastern Europe, from the Black Forest sou ...

. Its source is in Upper

Swabia Swabia ; , colloquially ''Schwabenland'' or ''Ländle''; archaic English also Suabia or Svebia is a cultural, historic and linguistic region in southwestern Germany. The name is ultimately derived from the medieval Duchy of Swabia, one of ...

, between Bad Waldsee and Bad Schussenried. It flows north, through the town of

Biberach an der Riss Biberach may refer to: *Biberach an der Riß, a town in Upper Swabia, Germany *Biberach (district), which has Biberach an der Riß as its capital * Biberach, Baden, a municipality in the ''Ortenaukreis'', Germany *Biberach is a part of Roggenburg, ...

. It then flows into the Danube one mile north of Rißtissen between

Ehingen Ehingen (Donau) (; ) is a town in the Alb-Donau (district), Alb-Donau district in Baden-Württemberg, Germany, situated on the left bank of the Danube, approx. southwest of Ulm and southeast of Stuttgart. The city, like the entire district o ...

and Erbach, approximately 20 km upstream from

Ulm Ulm () is the sixth-largest city of the southwestern German state of Baden-Württemberg, and with around 129,000 inhabitants, it is Germany's 60th-largest city. Ulm is located on the eastern edges of the Swabian Jura mountain range, on the up ...

. Its total length is approximately 50 km. The Riss gave its name to the

Riss glaciation The Riss glaciation, Riss Glaciation, Riss ice age, Riss Ice Age, Riss glacial or Riss Glacial (, ', ' or (obsolete) ') is the second youngest glaciation of the Pleistocene epoch in the traditional, quadripartite glacial classification of the Alps ...

, an

ice age An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages, and g ...

References

Rivers of Baden-Württemberg Rivers of Germany {{BadenWürttemberg-river-stub

See also

References