Denmark has approximately 900 streams with outlet to the sea. Almost half are less than 5 kilometres (3.1 mi) long. 52 of them are over 25 kilometres (16 mi) long and 17 are over 50 kilometres (31 mi) long.
The longest river is Gudenå with 156.3 kilometres (97.1 mi) while Skjern Å has the largest discharge at the mouth with on average 30 cubic metres per second (1,100 cu ft/s).
The rivers longer than 50 kilometres (31 mi) are:
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