The Tenna 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. Its source is in the Sibillini Mountains in the

province of Fermo The province of Fermo ( it, provincia di Fermo) is a province in the Marche region of central Italy. It was established in 2004 and became operational in 2009. Its administrative centre and provincial capital is the city of Fermo (population of 3 ...

near the border with the

province of Macerata The province of Macerata ( it, provincia di Macerata) is a province in the Marche region of Italy. Its capital is the city of Macerata. The province includes 55 comunes (Italian: ''comuni'') in the province, see Comunes of the Province of Macera ...

. It flows northeast through the mountains near Montefortino and

Amandola Amandola is a ''comune'' (municipality) in the Province of Fermo in the Italian region Marche, located about south of Ancona, about northwest of Ascoli Piceno and about west of Fermo. The town was founded in 1248 by the union of the castles of ...

before forming the border between the provinces of Fermo and Macerata. The river enters the province of Fermo near Servigliano and continues flowing northeast past Grottazzolina and Montegiorgio. Finally, the river enters 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 ...

near

Sant'Elpidio a Mare Sant'Elpidio a Mare is a town and ''comune'' in the province of Fermo, in the Marche region of Italy. Geography Sant'Elpidio a Mare is located on a ridge of Marche Apennine, elevation above sea level, between the lower river valleys of the ri ...

and

Porto Sant'Elpidio Porto Sant'Elpidio () is a coastal town in the province of Fermo, Marche, Italy. The commune has a population of 25,071. Geography Porto Sant'Elpidio's nearly of coast once made the commune the most extensive in length in the province of Ascoli ...

References

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