The Rapido is a short river ( ) which flows in the

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance languag ...

province of Frosinone The province of Frosinone () is a province in the Lazio region of Italy. Its capital is the city of Frosinone. It has an area of and a total population of 493,605 (2016). The province contains 91 ''comuni'' (: ''comune''), listed in the ...

. The river is known for the Battle of the Rapido River, despite it actually occurring on the

Gari River The Gari is a short river that flows in Monte Cassino, Italy at the southern end of the region of Lazio. The Battle of Gari River, better known as the Battle of Rapido River, one of the bloodiest battles of the Italian Campaign (World War II), Ita ...

.1944: la battaglia di S.Angelo in Theodice e la confusione tra i fiumi Rapido e Gari
1944: the Battle of St. Angelo in Theodice and the Confusion between Rapido and Gari rivers. Its source is close to the border between

Lazio Lazio ( , ; ) or Latium ( , ; from Latium, the original Latin name, ) is one of the 20 Regions of Italy, administrative regions of Italy. Situated in the Central Italy, central peninsular section of the country, it has 5,714,882 inhabitants an ...

and

Molise Molise ( , ; ; , ) is a Regions of Italy, region in Southern Italy. Until 1963, it formed part of the region of Abruzzi e Molise together with Abruzzo. The split, which did not become effective until 1970, makes Molise the newest region in Ital ...

on the slopes of the

Mainarde The Monti delle Mainarde, also known just as Le Mainarde, is a range of calcareous mountains on the border between the regions of Lazio and Molise in southern central Italy. It is the southern extension of the Monti della Meta. The highest pe ...

mountains. The river bathes the commune of

Sant'Elia Fiumerapido Sant'Elia Fiumerapido is a town and ''comune'' in the province of Frosinone, in the Latin Valley, in the Lazio region of central Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, We ...

after which it becomes known as the Gari. Fed by numerous

karstic Karst () is a topography formed from the dissolution of soluble carbonate rocks such as limestone and dolomite. It is characterized by features like poljes above and drainage systems with sinkholes and caves underground. There is some eviden ...

springs, the river has a relatively high and reliable discharge: 25 m³/s on average and never dropping below 10 m³/s.

References

Rivers of the Province of Frosinone Rivers of Italy {{Italy-river-stub