Muonio (river)

{{Infobox river

| name = Muonio

| name_native = {{plainlist|

• {{native name|fi|Muonionjoki or Kätkäsuvanto}}
• {{native name|sv|Muonio älv or Muonioälven}}
• {{native name|fit|Muonionväylä}}

}}

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| image = Mannakoski 2.jpg

| image_size = 200px

| image_caption = Mannakoski rapid in Muonio river.

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| subdivision_type1 = Countries

| subdivision_name1 = {{hlist|Sweden|Finland}}

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| subdivision_type3 = County

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| length_km = 387

| length_ref = {{cite encyclopedia | title=Muonioälven | encyclopedia=Nationalencyklopedin | url=http://www.ne.se/muonioälven | language=Swedish | accessdate=14 July 2010}} {{Subscription required}}

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| discharge1_avg = {{convert|165|m3/s|cuft/s|abbr=on}}

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| source1 = Confluence of Könkämäeno and Lätäseno

| source1_location =

| source1_coordinates= {{coord|68|29|04|N|22|17|45|E|display=inline}}

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| mouth = Torne River

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| mouth_coordinates = {{coord|67|10|51|N|23|33|30|E|display=inline,title}}

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| basin_size_km2 = 14430

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The Muonio ({{langx|fi|Muonionjoki or Kätkäsuvanto}}; {{langx|sv|Muonio älv or Muonioälven}} {{IPA|sv|mʉˈǒːnɪɔ ˈɛlːv|}};{{cite book|url=https://runeberg.org/ortnamn/0021.html|author1=Jöran Sahlgren|author2=Gösta Bergman|title=Svenska ortnamn med uttalsuppgifter|language=sv|year=1979|page=17}} {{langx|fit|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.