The Alzette (; ; ) is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of ...

with a length of in

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

Luxembourg Luxembourg ( ; lb, Lëtzebuerg ; french: link=no, Luxembourg; german: link=no, Luxemburg), officially the Grand Duchy of Luxembourg, ; french: link=no, Grand-Duché de Luxembourg ; german: link=no, Großherzogtum Luxemburg is a small lan ...

. It is a right tributary of the

Sauer The Sauer (German and Luxembourgish, , ) or Sûre (French, ) is a river in Belgium, Luxembourg and Germany. A left tributary of the Moselle, its total length is . Rising near Vaux-sur-Sûre in the Ardennes in southeastern Belgium, the Sauer ...

(a tributary to the

Moselle The Moselle ( , ; german: Mosel ; lb, Musel ) is a river that rises in the Vosges mountains and flows through north-eastern France and Luxembourg to western Germany. It is a left bank tributary of the Rhine, which it joins at Koblenz. A ...

), and ultimately to the

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

. It rises in Thil near the town

Villerupt Villerupt (; lb, Weller) is a commune in the Meurthe-et-Moselle department in north-eastern France. A festival takes place in the commune each year in October-November. Population Notable people from Villerupt * Aurélie Filippetti * Oliv ...

in the Meurthe-et-Moselle ''

département In the administrative divisions of France, the department (french: département, ) is one of the three levels of government under the national level (" territorial collectivities"), between the administrative regions and the communes. Ninety ...

'', France. It crosses the border with Luxembourg after . At Lameschmillen (near Bergem) it is joined by the

Mess The mess (also called a mess deck aboard ships) is a designated area where military personnel socialize, eat and (in some cases) live. The term is also used to indicate the groups of military personnel who belong to separate messes, such as the o ...

. It flows through the Luxembourgish towns Esch-sur-Alzette,

Luxembourg City Luxembourg ( lb, Lëtzebuerg; french: Luxembourg; german: Luxemburg), also known as Luxembourg City ( lb, Stad Lëtzebuerg, link=no or ; french: Ville de Luxembourg, link=no; german: Stadt Luxemburg, link=no or ), is the capital city of the Gr ...

and

Mersch Mersch ( ) is a commune and town in central Luxembourg, capital of the canton of Mersch. It is situated at the confluence of the rivers Alzette, Mamer and Eisch. , the town of Mersch, which lies in the centre of the commune, has a population ...

, and empties into the Sauer near Ettelbruck. The rocky cliffs above the Alzette in

are called ' Bock'. This name was given to the Casemates du Bock; a honeycomb of tunnels colloquially named 'Paula', which runs under the ruins of the Fortress of Luxembourg. It protected

for centuries.

References

International rivers of Europe Rivers of the Ardennes (Luxembourg) Rivers of Luxembourg Rivers of France Rivers of Grand Est Rivers of Meurthe-et-Moselle Rivers of Ettelbruck Rivers of Luxembourg City Rivers of Mersch Esch-sur-Alzette {{Luxembourg-river-stub