The Avia river is a tributary of the Miño River with a length of 36.7 km. It borns in the serra of the Suído at a height of 880 m., in the place called Fonte Avia (municipality of Avión

Avión

Avión is a municipality in the Spanish province of Ourense. It has a population of 2775 and an area of 121 km²....

). It follows an SO-NL direction after arriving to the artificial lake of Albarellos, between the municipalities of Leiro

Leiro

Leiro is a municipality in Ourense in the Galicia region of north-west Spain.-See also:*A Agualada, Coristanco*Costoya*Maceda...

, Boborás

Boborás

Boborás is a municipality in Ourense in the Galicia region of north-west Spain....

 and Avión

Avión

Avión is a municipality in the Spanish province of Ourense. It has a population of 2775 and an area of 121 km²....

. After the artificial lake it continues until Boborás, turning there in SL direction. It flows in Ribadavia

Ribadavia

The town of Ribadavia is located in the southwest of the province of Ourense, Autonomous Community of Galicia, Spain. The urban area lies on the right bank of the Miño and the last course of the Avia. It is considered to be the capital of the comarca of the Ribeiro...

. Its tributaries include the Maquiáns River, Viñao River, and Arenteiro River, and it runs past the communities of Boborás

Boborás

Boborás is a municipality in Ourense in the Galicia region of north-west Spain....

, Leiro

Leiro

Leiro is a municipality in Ourense in the Galicia region of north-west Spain.-See also:*A Agualada, Coristanco*Costoya*Maceda...

, and Ribadavia

Ribadavia

The town of Ribadavia is located in the southwest of the province of Ourense, Autonomous Community of Galicia, Spain. The urban area lies on the right bank of the Miño and the last course of the Avia. It is considered to be the capital of the comarca of the Ribeiro...

.