Muonio (river)

Muonio
Mannakoski rapid in Muonio river.
Native name
Location
Countries
Physical characteristics
SourceConfluence of Könkämäeno and Lätäseno
  coordinates68°29′04″N 22°17′45″E / 68.48444°N 22.29583°E / 68.48444; 22.29583
MouthTorne River
  coordinates
67°10′51″N 23°33′30″E / 67.18083°N 23.55833°E / 67.18083; 23.55833
Length387 km (240 mi)
Basin size14,430 km2 (5,570 sq mi)
Discharge 
  average165 m3/s (5,800 cu ft/s)

The Muonio (Finnish: Muonionjoki or Kätkäsuvanto; Swedish: Muonio älv or Muonioälven [mʉˈǒːnɪɔ ˈɛlːv]; Meänkieli: Muonionväylä) is a river in northern Finland and Sweden. It is a tributary of the Tornio. Together the two rivers form the national border between Finland and Sweden. The river is 230 kilometres long.