The Thur () is a

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 ...

in the

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

department,

Alsace Alsace (, ; ) is a cultural region and a territorial collectivity in the Grand Est administrative region of northeastern France, on the west bank of the upper Rhine, next to Germany and Switzerland. In January 2021, it had a population of 1,9 ...

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

, left tributary of the river Ill. It rises in the

Vosges Mountains The Vosges ( , ; ; Franconian (linguistics), Franconian and ) is a range of medium mountains in Eastern France, near its France–Germany border, border with Germany. Together with the Palatine Forest to the north on the German side of the bor ...

, and flows through the towns Thann and Cernay. It flows into the Ill (a tributary of the

Rhine The Rhine ( ) is one of the List of rivers of Europe, major rivers in Europe. The river begins in the Swiss canton of Graubünden in the southeastern Swiss Alps. It forms part of the Swiss-Liechtenstein border, then part of the Austria–Swit ...

) near Ensisheim, north of

Mulhouse Mulhouse (; ; Alsatian language, Alsatian: ''Mìlhüsa'' ; , meaning "Mill (grinding), mill house") is a France, French city of the European Collectivity of Alsace (Haut-Rhin department, in the Grand Est region of France). It is near the Fran ...

. It is long.

References

Rivers of France Rivers of Grand Est Rivers of Haut-Rhin {{France-river-stub