The Simeto is a 113 km long river in Sicily

Sicily

Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...

, southern Italy. It is the second longest river on the island after the Salso (also known as Southern Imera), but the most important in terms of watershed and for the population of the areas near it. All of its course is included in the province of Catania

Province of Catania

Catania is a province in the autonomous island region of Sicily in Italy. Its capital is the city of Catania.It has an area of 3,552 km², and a total population of 1,073,881 . There are 58 comunes in the province, see Comunes of the Province of Catania...

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Its source is located near Bronte, from the union of several streams of the Nebrodi

Nebrodi

The Nebrodi a mountain range that runs along the north east of Sicily. Together with the Madonie and the Peloritani, they form the Sicilian Apennines....

 Mountains. After receiving its first affluence, the Troina

Troina (torrente)

The Troina is a torrente in Sicily. It is located near a town also named Troina and is in the comune also bearing that name. It is both the inflow and outflow for Lake Ancipa. It empties into the Simeto River.-References:...

, the river starts running southwards into a spectacular canyon of lava from eruptions of Mount Etna

Mount Etna

Mount Etna is an active stratovolcano on the east coast of Sicily, close to Messina and Catania. It is the tallest active volcano in Europe, currently standing high, though this varies with summit eruptions; the mountain is 21 m higher than it was in 1981.. It is the highest mountain in...

. Near Adrano

Adrano

Adrano is a town and comune in the province of Catania on the east coast of Sicily.It is situated around 41 km northwest of Catania, which is also the capital of the province to which Adrano belongs. It lies near the foot of Mount Etna, at the confluence of the Simeto and Salso rivers. It is...

, Simeto constitutes the boundary between the province of Catania and that of Enna

Province of Enna

Enna is a province in the autonomous island region of Sicily in Italy. Its capital is the city of Enna.It has an area of 2,562 km², and a total population of 177,200 . There are 20 comunes in the province, see Comunes of the Province of Enna...

, and receives the Salso, then flows near Paternò

Paternò

Paternò is a town and comune in the Province of Catania, Sicily, southern Italy.-History:The site of Paternò was settled before 3500 BCE. Its inhabitants were probably the Sicani, although it was located in mainly Sicel territory; its initial name was Inessa. The modern name derives form the Greek...

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Simeto's final course is slower and twisting, being all included in the plain of Catania

Catania

Catania is an Italian city on the east coast of Sicily facing the Ionian Sea, between Messina and Syracuse. It is the capital of the homonymous province, and with 298,957 inhabitants it is the second-largest city in Sicily and the tenth in Italy.Catania is known to have a seismic history and...

; its last confluences are with the Dittaino

Dittaino

The Dittaino is a river of central Sicily which rises in the Heraean Mountains, not far from the modern towns of Gangi and Enna...

 and the Gornalunga

Gornalunga

The Gornalunga is a 81 km long river located in central-eastern Sicily.The river springs from Monte Rossomanno, on the Erean Mountains, in the province of Enna...

, before flowing into the Ionian Sea

Ionian Sea

The Ionian Sea , is an arm of the Mediterranean Sea, south of the Adriatic Sea. It is bounded by southern Italy including Calabria, Sicily and the Salento peninsula to the west, southern Albania to the north, and a large number of Greek islands, including Corfu, Zante, Kephalonia, Ithaka, and...

south to the metropolitan area of Catania.