Muonionjoki

Muonionjoki (Finnish: Muonionjoki or Kätkäsuvanto; Swedish: Muonio älv or Muonioälven [mʉˈǒːnɪɔ ˈɛlːv];^[2] 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.

Muonionjoki
Mannakoski rapid in Muonionjoki
Native name	Muonionjoki or Kätkäsuvanto (Finnish) Muonio älv or Muonioälven (Swedish) Muonionväylä (Meänkieli)
Location
Countries	Sweden Finland
Physical characteristics
Source	Confluence of Könkämäeno and Lätäseno
• coordinates	68°29′04″N 22°17′45″E
Mouth	Torne River
• coordinates	67°10′51″N 23°33′30″E
Length	387 km (240 mi)[1]
Basin size	14,430 km2 (5,570 sq mi)[1]
Discharge
• average	165 m3/s (5,800 cu ft/s)[1]