List of the largest rivers that flow into the North Sea, Skagerrak and Kattegat

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The largest rivers that flow into the North Sea, Skagerrak and Kattegat
Surname Medium
drain
length Catchment area States River path
Rhine 2900 m³ / s (Delta)
2300 m³ / s (D / NL border)
1,238.8 km (with the Hinterrhein)
1240 km (with the Vorderrhein)
185,300 km²
(with Maas 218,300 km²)
Switzerland (sources), Liechtenstein, Austria, Germany, France, Netherlands,
Luxembourg ( Moselle ), Italy ( Reno di Lei )
richest in water: Aare → Rhine
longest: Rein da MedelVorderrhein (total = 74 km) → Rhine
Elbe   870 m³ / s 1,094 km (nominal)
1245 km (hydrological)
148,268 km² Czech Republic (sources), Germany, Austria ( Lainsitz ), Poland ( Wilde Adler and smaller tributaries) via the longer and richer tributary of the Vltava
Glomma   698 m³ / s   601 km   41,917 km² Norway, Sweden (tributaries) Glomma → Lake Aursunden → Glomma → Skagerrak
Götaälv   575 m³ / s     93 km (nominal)
  753 km (hydrological)
  50,229.3 km² Sweden, Norway ( Trysilelva ) Roe → Lake FemundTrysilelvaKlarälv → Lake Vänern → Götaälv → Kattegat
Weser   383 m³ / s   451.4 km (nominal)
  751 km (with Werra)
  45,809 km² Germany from the union of Werra (longer) and Fulda (more watery)
Meuse   357 m³ / s   874 km   33,000 km² France (source), Belgium, Netherlands,
Luxembourg ( Chiers ), Germany ( Rur , Schwalm , Niers )
to the confluence with the southern main arm of the Rhine
(was an independent river to the North Sea from 1904 to 1970)
Drammen Selva   314 m³ / s     48 km (nominal)
  301 km ( river system)
  17,110 km² Norway … → Vangsmjøsi → Slidrefjord → Strondafjord → Aurdalsfjord
Sperillen → Ådalselva → Randselva → Storelva (additional 213 km)
Tyrifjord → Drüberselva → Oslofjord
Humber
(estuary)
  250 m³ / s
(without tides)
    62 km (nominal)
  359 km (with Trent )
  24,240 km² England common mouth of the Trent and Ouse (see below)
Tay   170 m³ / s   193 km   6,216 km² Scotland Tay → Estuary Firth of Tay (included in the numbers)
Otra   150 m³ / s   245 km   3,740 km² Norway Skagerrak
Sira   130 m³ / s   152 km   1,902 km² Norway
Scheldt   127 m³ / s   360 km   21,863 km² France (source), Belgium, Netherlands (estuary)
Ems   125 m³ / s   371 km   13,160 km² Germany, Netherlands (estuary)
Forth   112 m³ / s     47 km (nominal)
    55 km (hydrological)
  1,029 km² Scotland Firth of Forth
Numedalslågen   111 m³ / s   352 km   5,554 km² Norway Skagerrak
Trent     99 m³ / s   297 km   10,452 km² England → Humber (see above)
tweed     85 m³ / s   156 km   1,080 km² Scotland (source), England
Lagan     82 m³ / s   244 km   6,451.8 km² Sweden Kattegat
Thames     65.8 m³ / s   346 km   12,935 km² England
Spey     64 m³ / s   173 km   3,008 km² Scotland Moray Firth
Ätran     52.5 m³ / s   243 km   3,342.2 km² Sweden Kattegat
Tyne     44.6 m³ / s   321.4 km   2,200 km² England
River Ouse (The Humber)     44 m³ / s   208 km (with Ure)   3,315 km² England Ure → Ouse → Humber (see above)
Nissan     41 m³ / s   200 km   2,685.7 km² Sweden Kattegat
Skjern Å     36.6 m³ / s     94 km  2,100 km² Denmark Ringkøbing Fjord (a lagoon )
Great Ouse     35 m³ / s   270 km   8,530 km² England The Wash
Gudenå     32.4 m³ / s   149 km  2,643 km² Denmark Kattegat
  1. Archived copy ( Memento from April 29, 2014 in the Internet Archive )
  2. Archived copy ( Memento from April 29, 2014 in the Internet Archive )
  3. a b Miljø and Energiministeriet: Afstrømningsforhold i danske vandløb (2000), p. 16