The Muonio (Finnish: Muonionjoki or Kätkäsuvanto; Swedish: Muonio älv or Muonioälven [mʉˈǒːnɪɔ ˈɛlːv];[2] Meänkieli: Muonionväylä) is a river in northern Finland and Sweden.

Together the two rivers form the national border between Finland and Sweden.

Media related to Muonio River at Wikimedia Commons

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