The Aso ( la, Helvinus) is a river in the

Marche Marche ( , ) is one of the twenty regions of Italy. In English, the region is sometimes referred to as The Marches ( ). The region is located in the central area of the country, bordered by Emilia-Romagna and the republic of San Marino to the ...

region of

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...

. For most of its course the river marks the boundary between the provinces of

Ascoli Piceno Ascoli Piceno (; la, Asculum; dialetto ascolano: Ascule) is a town and ''comune'' in the Marche region of Italy, capital of the province of the same name. Its population is around 46,000 but the urban area of the city has more than 93,000. Geo ...

and

Fermo Fermo (ancient: Firmum Picenum) is a town and ''comune'' of the Marche, Italy, in the Province of Fermo. Fermo is on a hill, the Sabulo, elevation , on a branch from Porto San Giorgio on the Adriatic coast railway. History The oldest hum ...

The river's source is in the Monti Sibillini, near Foce in the Comune of Montemonaco, at an elevation of . The Aso flows through the settlements of Tofe, San Giorgio all’Isola, Illice, Piane,

Comunanza Comunanza is a ''comune'' (municipality) in Marche, Italy. It is a medieval village at the feet of the Monti Sibillini, founded in the 5th or 6th century by Ascoli refugees escaping barbaric incursions. ''"Sotto Comunanza é Africa."'' - Djane ...

, Montecchio, Madonna del Lago, Aso and Rubbianello before entering the

Adriatic Sea The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Sea) to t ...

Pedaso Pedaso is a ''comune'' (municipality) in the Province of Fermo in the Italian region Marche, located about southeast of Ancona and about northeast of Ascoli Piceno. As of 31 December 2018, it had a population of 2,854 and an area of . Pedaso bord ...

, where it delivers a mean discharge of .

References

Rivers of the Province of Ascoli Piceno Rivers of the Province of Fermo Rivers of Italy Adriatic Italian coast basins {{Italy-river-stub

See also

References