The Ariège is a 164 km long river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in southern France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, right tributary of the Garonne

Garonne

The Garonne is a river in southwest France and northern Spain, with a length of .-Source:The Garonne's headwaters are to be found in the Aran Valley in the Pyrenees, though three different locations have been proposed as the true source: the Uelh deth Garona at Plan de Beret , the Ratera-Saboredo...

. Its source is in the Pyrenees

Pyrenees

The Pyrenees is a range of mountains in southwest Europe that forms a natural border between France and Spain...

, where it forms part of the border with Andorra

Andorra

Andorra , officially the Principality of Andorra , also called the Principality of the Valleys of Andorra, , is a small landlocked country in southwestern Europe, located in the eastern Pyrenees mountains and bordered by Spain and France. It is the sixth smallest nation in Europe having an area of...

. It flows north through the following départements and towns:

• Ariège
  Ariège
  Ariège is a department in southwestern France named after the Ariège River.- History :Ariège is one of the original 83 departments created during the French Revolution on 4 March 1790. It was created from the counties of Foix and Couserans....
  
   (named after the river): Ax-les-Thermes
  Ax-les-Thermes
  Ax-les-Thermes is a commune in the Ariège department in the Midi-Pyrénées region in southwestern France.It lies at the confluence of the Ariège River with three tributaries, 26 miles SSE of Foix by rail...
  
  , Les Cabannes
  Les Cabannes, Ariège
  Les Cabannes is a commune in the Ariège department in southwestern France.-Population:-References:*...
  
  , Tarascon-sur-Ariège
  Tarascon-sur-Ariège
  Tarascon-sur-Ariège is a commune in the Ariège department in southwestern France.-Population:Inhabitants of Tarascon-sur-Ariège are called Tarasconnais.-External links:*...
  
  , Montgaillard
  Montgaillard, Ariège
  Montgaillard is a commune in the Ariège department in southwestern France.-Population:...
  
  , Foix
  Foix
  Foix is a commune, the capital of the Ariège department in southwestern France. It is the least populous administrative centre of a department in all of France, although it is only very slightly smaller than Privas...
  
  , Varilhes
  Varilhes
  Varilhes is a commune in the Ariège department in southwestern France.-Population:Inhabitants of Varilhes are called Varilhois.-References:*...
  
  , Pamiers
  Pamiers
  Pamiers is a commune in the Ariège department in the Midi-Pyrénées region in southwestern France. It is a sub-prefecture of the department. Although Pamiers is the largest city in Ariège, the capital is the smaller town of Foix...
  
  , Saverdun
  Saverdun
  Saverdun is a commune in the Ariège department in southwestern France.-Population:Inhabitants of Saverdun are called Saverdunois.Saverdun gave its name to the former city of Verdun, Quebec, Canada, now a borough of Montreal, which was founded in 1671 by Zacharie Dupuis, a native of...
  
  .
• Haute-Garonne
  Haute-Garonne
  Haute-Garonne is a department in the southwest of France named after the Garonne river. Its main city is Toulouse.-History:Haute-Garonne is one of the original 83 departments created during the French Revolution on March 4, 1790. It was created from part of the former province of Languedoc.The...
  
  : Cintegabelle
  Cintegabelle
  Cintegabelle is a commune in the Haute-Garonne department in southwestern France.-Population:-References:*...
  
  , Auterive
  Auterive, Haute-Garonne
  Auterive is a commune in the Haute-Garonne department in southwestern France.-Population:-References:*...
  
  .

It flows into the Garonne

Garonne

The Garonne is a river in southwest France and northern Spain, with a length of .-Source:The Garonne's headwaters are to be found in the Aran Valley in the Pyrenees, though three different locations have been proposed as the true source: the Uelh deth Garona at Plan de Beret , the Ratera-Saboredo...

 in Portet-sur-Garonne

Portet-sur-Garonne

Portet-sur-Garonne is a commune in the Haute-Garonne department in southwestern France.-Population:-References:*...

, south of Toulouse

Toulouse

Toulouse is a city in the Haute-Garonne department in southwestern FranceIt lies on the banks of the River Garonne, 590 km away from Paris and half-way between the Atlantic Ocean and the Mediterranean Sea...

. If the Latin

Latin

Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

origin of its name (Aurigera) is to be trusted, the Ariège is supposed to carry gold nuggets.