Sesia

Sesia
The river in the upper Valsesia
Location of the Sesia in Italy
Location
CountryItaly
Physical characteristics
Source 
 • locationAlagna Valsesia
 • elevation4,500 m (14,800 ft)
MouthPo
 • coordinates
45°07′59″N 8°34′24″E / 45.13306°N 8.57333°E / 45.13306; 8.57333
Length139.6 km (86.7 mi)
Basin size3,037.6 km2 (1,172.8 mi2)
Discharge 
 • average(mouth) 70.4 m3/s (2,490 cu ft/s)
Basin features
ProgressionPoAdriatic Sea
Tributaries 
 • leftSermenza, Mastallone, Pascone, Strona di Valduggia.
 • rightOtro, Vogna, Artogna, Sorba, rio di Valmala, Sessera, Cervo, Naviglio di Ivrea (artificial canal), Bona, Marcova

The Sesia (Latin Sesites or Sessites) is a river in Piedmont, north-western Italy, tributary to the Po.