The Birsig is a rather small river in eastern

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

and northern

Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...

. Its source is in the village

Biederthal Biederthal ( gsw, Bierthel) is a commune in the Haut-Rhin department in Alsace in north-eastern France. It is located on the border with Switzerland, next to the Swiss villages of Rodersdorf and Metzerlen-Mariastein. See also *Communes of the Ha ...

, in the French

Haut-Rhin Haut-Rhin (, ; Alsatian: ''Owerelsàss'' or '; german: Oberelsass, ) is a department in the Grand Est region of France, bordering both Germany and Switzerland. It is named after the river Rhine. Its name means ''Upper Rhine''. Haut-Rhin is the ...

department, near the Swiss border. The Birsig is about long, and its

watershed Watershed is a hydrological term, which has been adopted in other fields in a more or less figurative sense. It may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, called a "watershe ...

area is about . It flows variably through Swiss and French territory and through the

Birsig Valley The Birsig is a rather small river in eastern France and northern Switzerland. Its source is in the village Biederthal, in the French Haut-Rhin department, near the Swiss border. The Birsig is about long, and its watershed area is about . It flo ...

. Afterwards it passes the city of

Basel , french: link=no, Bâlois(e), it, Basilese , neighboring_municipalities= Allschwil (BL), Hégenheim (FR-68), Binningen (BL), Birsfelden (BL), Bottmingen (BL), Huningue (FR-68), Münchenstein (BL), Muttenz (BL), Reinach (BL), Riehen (BS ...

, where it enters the

Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , so ...

(left bank). The river Birsig originally flowed openly through Basel, but the river was long ago channelled and its banks built up to prevent water damage to the houses. The river flowed directly along the houses in the lower part of the city, where many bridges were built over. It took the fecal waste from the houses and was therefore called "the city's big

cloaca In animal anatomy, a cloaca ( ), plural cloacae ( or ), is the posterior orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals. All amphibians, reptiles and birds, a ...

", which favoured the outbreak of

cholera Cholera is an infection of the small intestine by some strains of the bacterium ''Vibrio cholerae''. Symptoms may range from none, to mild, to severe. The classic symptom is large amounts of watery diarrhea that lasts a few days. Vomiting and ...

and

typhus Typhus, also known as typhus fever, is a group of infectious diseases that include epidemic typhus, scrub typhus, and murine typhus. Common symptoms include fever, headache, and a rash. Typically these begin one to two weeks after exposure. ...

. Nowadays the Birsig is covered over for most of its course in Basel; there are just a few hundred meters around the city

zoo A zoo (short for zoological garden; also called an animal park or menagerie) is a facility in which animals are kept within enclosures for public exhibition and often bred for Conservation biology, conservation purposes. The term ''zoological g ...

where the Birsig can be seen openly.

References

External links

Photography of the Birsig kloak
Rivers of Switzerland Rivers of France International rivers of Europe Rivers of Basel-Stadt Rivers of Grand Est Rivers of Haut-Rhin {{France-river-stub