Denmark has approximately 900 streams with outlet to the sea. Almost half are less than long. 52 of them are over long and 17 are over long.

The longest river is Gudenå with while Skjern Å has the largest discharge at the mouth with on average .

The rivers longer than are: + The longest rivers in Denmark measured from source to outlet in the sea incl. stretches through lakes. Number Stream Length Included lakes Measured through the tributaries Located onkmmi 1 Gudenå Bredvad Sø, Mossø, Gudensø, Ry Mølle Sø, Lillesø, Birksø, Julsø, Borre Sø, Brassø, Langsø, Sminge Sø, Tange Sø Jutland 2 Skjern Å Rørbæk Sø, Nedersø, Kulsø, Hastrup Sø, MES Jutland 3 Storå Holstebro Vandkraftsø Jutland 4 Karup Å Skygge Å/Elbæk Jutland 5 Varde Å Grindsted Å/Vandel Bæk Jutland 6 Suså Tystrup/Bavelse Sø Zealand 7 Odense Å Hågerup Å () Funen 8 Vidå Sønderå/Bjerndrup Mølleå Jutland 9 Ribe Å Gram Å/Nørreå/Fovs Å Jutland 10 Halleby Å Tissø Tysinge Å Zealand 11 Rye Å Hellum Bæk Jutland 12 Kongeå ( if measured via Gesten Å) Jutland 13 Uggerby Å Møllebæk Jutland 14 Brede Å Fiskbæk Jutland 15 Skals Å Kousted Å Jutland 16 Simested Å Jutland 17 Lindenborg Å Jutland

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