The Gave d'Ossau is the torrential river flowing through the Ossau Valley

Ossau Valley

The Ossau Valley is a valley of the French Pyrénées, in the Pyrénées-Atlantiques département.- Administration :...

, one of the three main valleys of the High-Béarn

Béarn

Béarn is one of the traditional provinces of France, located in the Pyrenees mountains and in the plain at their feet, in southwest France. Along with the three Basque provinces of Soule, Lower Navarre, and Labourd, the principality of Bidache, as well as small parts of Gascony, it forms in the...

 (Pyrénées-Atlantiques

Pyrénées-Atlantiques

Pyrénées-Atlantiques is a department in the southwest of France which takes its name from the Pyrenees mountains and the Atlantic Ocean.- History :...

), in the Southwest of 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...

.

It is formed in Gabas

Gabas, Pyrénées-Atlantiques

Gabas is a hamlet in the valley of the Gave d'Ossau in the French Pyrenees. It is located where that river is formed by the confluence of two mountain streams, the Gave de Bious and the Gave du Brousset, which flow respectively from the western and eastern sides of the Pic du Midi d'Ossau.The...

 from the confluence of two gave

Gave (stem)

The French word gave is a generic name referring to torrential rivers, in the west side of the Pyrenees. In the central part of the Pyrenees, the name neste has the same function....

s coming from both sides of the Pic du Midi d'Ossau

Pic du Midi d'Ossau

The Pic du Midi d'Ossau is a mountain rising above the Ossau Valley in the French Pyrenees. Despite possessing neither a glacier nor, in the context of the range, a particularly high summit, its distinctive shape makes it a symbol of the French side of the Pyrenees...

:

• the Gave de Bious, from the Pic d'Astu (west)
• the Gave du Brousset, from the Anéou Circus (east).

After joining the Gave d'Aspe

Gave d'Aspe

The Gave d'Aspe is the torrential river flowing through the Aspe Valley, one of the three main valleys of the High-Béarn , in the Southwest of France.It is formed in the Aspe Circus, below the Aspe peak ....

, in Oloron-Sainte-Marie

Oloron-Sainte-Marie

Oloron-Sainte-Marie is a commune in the Pyrénées-Atlantiques department in south-western France. The town of Oloron-Sante-Marie is positioned at the junction of two rivers and has a population of approximately 12,000. While not spectacular, it is a pleasant looking town, with an ancient quarter,...

, it forms the Gave d'Oloron

Gave d'Oloron

The Gave d'Oloron is a river of south-western France near the border with Spain. It takes its name from the city Oloron-Sainte-Marie, where it is formed from the rivers Gave d'Aspe and Gave d'Ossau.It joins the Gave de Pau in Peyrehorade...

.

Throughout its length, the river is paralleled by the D934 road that runs from Pau to Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

, via the Col du Pourtalet

Col du Pourtalet

The Col du Pourtalet, El Portalet or Portalet d'Aneu is a mountain pass and border crossing in the Pyrenees, between France and Spain. The pass reaches an elevation of , and links the Ossau and Tena valleys....

.

In Castet, a dam

Dam

A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

 forms the Lac de Castet

Lac de Castet

Lac de Castet is a lake in Pyrénées, Pyrénées-Atlantiques, France. At an elevation of 423 m, its surface area is 0.4 km²....

.

Main tributaries

• (R) Gave de Soussouéou
• (L) Gée from the Coig Arras, in the Gorges du Bitet
• (R) Valentin, from Gourette
  Gourette
  Gourette is a winter sports resort in the French Pyrenees. It is located in the commune of Eaux-Bonnes in the département of Pyrénées-Atlantiques, on the D918 road which passes through the Col d'Aubisque mountain pass...
  
  
  • (R) Cély, from the Col d'Aubisque
    Col d'Aubisque
    The Col d'Aubisque is a mountain pass in the Pyrenees 30 km south of Tarbes and Pau in the department of the Pyrénées-Atlantiques , in the Aquitaine region of France....
    
    
• (L) l'Arrioutort, in Laruns
  Laruns
  Laruns is a commune in the Pyrénées-Atlantiques department in south-western France.It is situated at the confluence of two mountain streams, the Gave d'Ossau and its tributary, the Valentin....
  
  
• (R) Canceigt.
• (R) Sourde, in Aste
  Aste-Béon
  Aste-Béon is a commune in the Pyrénées-Atlantiques department in south-western France.-References:*...
  
  .
• (L) Arriou Mage, in Bielle
  Bielle
  Bielle is a commune of the Pyrénées-Atlantiques department in south-western France.* Communes of the Pyrénées-Atlantiques departmentBielle is a classic, picturesque farming village located in the floor of a narrow valley with steeply rising mountains as a dramatic backdrop. The buildings...
  
  .
• (R) Lau.

Départements and towns

• Pyrénées-Atlantiques
  Pyrénées-Atlantiques
  Pyrénées-Atlantiques is a department in the southwest of France which takes its name from the Pyrenees mountains and the Atlantic Ocean.- History :...
  
  : Gabas
  Gabas, Pyrénées-Atlantiques
  Gabas is a hamlet in the valley of the Gave d'Ossau in the French Pyrenees. It is located where that river is formed by the confluence of two mountain streams, the Gave de Bious and the Gave du Brousset, which flow respectively from the western and eastern sides of the Pic du Midi d'Ossau.The...
  
  , Eaux-Chaudes
  Eaux-Chaudes
  Eaux-Chaudes is a spa in the valley of the Gave d'Ossau in the French Pyrenees. The village is located beside the river, at the southern entrance to the Gorge du Hourat. It is separated from the spa town of Eaux-Bonnes by the Massif du Gourzy....
  
  , Laruns
  Laruns
  Laruns is a commune in the Pyrénées-Atlantiques department in south-western France.It is situated at the confluence of two mountain streams, the Gave d'Ossau and its tributary, the Valentin....
  
  , Béost
  Béost
  Béost is a commune of the Pyrénées-Atlantiques department in south-western France.-References:*...
  
  , Aste-Béon
  Aste-Béon
  Aste-Béon is a commune in the Pyrénées-Atlantiques department in south-western France.-References:*...
  
  , Gère-Bélesten
  Gère-Bélesten
  Gère-Bélesten is a commune in the Pyrénées-Atlantiques department in south-western France.-References:*...
  
  , Bielle, Castet
  Castet
  Castet is a commune in the Pyrénées-Atlantiques department in south-western France.-See also:* Lac de Castet* Ossau Valley* Communes of the Pyrénées-Atlantiques department-References:*...
  
  , Louvie-Juzon
  Louvie-Juzon
  Louvie-Juzon is a commune in the Pyrénées-Atlantiques department in south-western France.-References:*...
  
  , Izeste
  Izeste
  Izeste is a commune in the Pyrénées-Atlantiques department in south-western France.-References:*...
  
  , Arudy
  Arudy
  Arudy is a commune in the Pyrénées-Atlantiques department in south-western France.-References:*...
  
  , Oloron-Sainte-Marie.