This is a list ofrivers which are at least partially located inItaly. They are organized according to the body of water they drain into, with the exceptions ofSicily andSardinia, which are listed separately. At the bottom, all of the rivers are also listed alphabetically.
Italian rivers are generally shorter than those of other European regions because Italy is partly apeninsula along which theApennine chain rises, dividing the waters into two opposite sides. The longest river originating in Italy is theDrava, which flows for 724 km (450 mi), while the river flowing the most kilometers in Italy is the 652 km (405 mi) longPo.
Rivers in Italy total about 1,200,[1] and give rise, compared to otherEuropean countries, to a large number of marine mouths. This is due to the relative abundance of rain events in Italy, and to the presence of theAlpine chain rich in snowfields and glaciers in the northern part of the country, in the presence of the Apennines in the center-south and in the coastal extension of Italy.
| Rivers of Italy above 50 m3/s (1,800 cu ft/s) of average flow at the mouth | ||||
|---|---|---|---|---|
| № | River | Flow at the mouth | Regions crossed | Type |
| 1º | Po | 1,540 m3/s (54,000 cu ft/s) | Piedmont,Lombardy,Emilia-Romagna,Veneto | Alpine |
| 2º | Ticino | 350 m3/s (12,000 cu ft/s) | Switzerland,Piedmont,Lombardy | Alpine |
| 3º | Tiber | 239 m3/s (8,400 cu ft/s) | Emilia-Romagna,Tuscany,Umbria,Lazio | Apennine |
| 4º | Adige | 235 m3/s (8,300 cu ft/s) | Trentino-Alto Adige/Südtirol,Veneto | Alpine |
| 5º | Adda | 187 m3/s (6,600 cu ft/s) | Lombardy | Alpine |
| 6º | Isonzo | 170 m3/s (6,000 cu ft/s) | Slovenia,Friuli-Venezia Giulia | Alpine |
| 7º | Nera | 160 m3/s (5,700 cu ft/s) | Marche,Umbria,Lazio | Apennine |
| 8º | Oglio | 137 m3/s (4,800 cu ft/s) | Lombardy | Alpine |
| 8º | Piave | 137 m3/s (4,800 cu ft/s) | Veneto,Friuli-Venezia Giulia | Alpine |
| 10º | Liri-Garigliano | 120 m3/s (4,200 cu ft/s) | Abruzzo,Lazio | Apennine |
| 11º | Tanaro | 116 m3/s (4,100 cu ft/s) | Liguria,Piedmont | Alpine |
| 12º | Arno | 110 m3/s (3,900 cu ft/s) | Tuscany | Apennine |
| 13º | Dora Baltea | 96 m3/s (3,400 cu ft/s) | Aosta Valley,Piedmont | Alpine |
| 14º | Reno | 95 m3/s (3,400 cu ft/s) | Emilia-Romagna | Apennine |
| 15º | Brenta | 93 m3/s (3,300 cu ft/s) | Trentino-Alto Adige/Südtirol,Veneto | Alpine |
| 16º | Livenza | 85 m3/s (3,000 cu ft/s) | Friuli-Venezia Giulia,Veneto | Alpine |
| 17º | Volturno | 83 m3/s (2,900 cu ft/s) | Molise,Campania | Apennine |
| 18º | Isarco | 78 m3/s (2,800 cu ft/s) | Trentino-Alto Adige/Südtirol | Alpine |
| 19º | Sesia | 70 m3/s (2,500 cu ft/s) | Piedmont | Alpine |
| 20º | Tagliamento | 70 m3/s (2,500 cu ft/s) | Friuli-Venezia Giulia | Alpine |
| 21º | Toce | 70 m3/s (2,500 cu ft/s) | Piedmont | Alpine |
| 22º | Sele | 69 m3/s (2,400 cu ft/s) | Campania | Apennine |
| 23º | Mincio | 60 m3/s (2,100 cu ft/s) | Veneto,Lombardy | Alpine |
| 24º | Velino | 60 m3/s (2,100 cu ft/s) | Lazio,Umbria | Apennine |
| 25º | Rienza | 60 m3/s (2,100 cu ft/s) | Trentino-Alto Adige/Südtirol | Alpine |
| 26º | Aterno-Pescara | 57 m3/s (2,000 cu ft/s) | Abruzzo | Apennine |
| 27º | Sile | 55 m3/s (1,900 cu ft/s) | Veneto | Alpine |
From the artificialLago di Lei (the barrage itself is part of Switzerland), the Reno di Lei runs for a few kilometers through northern Italy before entering Switzerland again, and drains via theReno di Avers and theHinterrhein into theRhine.
The Drava drains into theDanube on the Croatia–Serbia border.
After entering Switzerland, the Spöl drains into theInn, which meets the Danube in Germany.
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For the purposes of this list, the Italian rivers draining into the Adriatic Sea begin at the coastal border between Italy andSlovenia and follow the Adriatic coast of Italy until it reachesSanta Maria di Leuca. Beyond this point, rivers empty into the Ionian Sea rather than the Adriatic. The rivers are ordered according to how far along the coast the river mouth is from the Italian/Slovenian border, the first river having its mouth the closest to the border and the last being closest to Santa Maria di Leuca.
The tributaries of the Po are organized into right- and left-hand tributaries. The lists are ordered from the river closest to the source of the Po to the river closest to the mouth of the Po.
For the purposes of this list, the Italian rivers draining into the Ionian Sea begin atSanta Maria di Leuca in the east and extend to theStrait of Messina in the west. Sicilian rivers are excluded because they are listed in their own section below. The rivers are ordered according to how far east their mouth is, the first river having the easternmost mouth and the last having the westernmost mouth.
For the purposes of this list, the Italian rivers draining into theTyrrhenian Sea begin at theStrait of Messina in the south and extend north up to San Pietro Point nearPortovenere. Sicilian and Sardinian rivers are excluded from this list because those rivers are in their own sections below. The rivers are ordered according to how far south their mouth is, the first river having the southernmost mouth and the last having the northernmost mouth.
For the purposes of this list, the Italian rivers draining into the Ligurian Sea begin at San Pietro Point nearPortovenere in the east and extend to the border withFrance nearMonaco. Sardinian rivers are excluded from this list because those rivers are in their own section below. The rivers are ordered according to how close their mouth is to San Pietro Point. The river with its mouth closest to this geographic point is listed first and rivers further away from this point are listed in the order in which their mouth empties into the sea as one proceeds along the coast up to the border with France.
