Sarp Falls

Sarp Falls[2][3][4] (Norwegian: Sarpefossen or Sarpsfossen) is a waterfall at Sarpsborg in Viken, Norway.[1][5]

Sarp Falls
Sarpefossen in May 2014
LocationViken county in southeastern Norway
Coordinates59°16′34.0″N 11°7′51.22″E
Total height20.5 m[1]
Average
flow rate		577 m³/s

This is the last waterfall on the Glomma River, which is the longest river in Norway. Sarp Falls has one of the greatest flow of any waterfall in Europe. Both Rhine Falls and Dettifoss are larger and more powerful waterfalls in Europe but, while those waterfalls have between 200 and 500 m3/s (7,100 and 17,700 cu ft/s) of average water flow, Sarp Falls has approximately 577 m3/s (20,400 cu ft/s).[6] Just above Sarp Falls is a road bridge with a view point. There are also view points on the east side of the falls.

River surfing

Sarpebølgen (lit. the Sarp Wave) lies about 2-3 kilometers downstream from the Sarp Falls,[7][8][9] and is popular among kayakers and experienced surfers. The Norwegian Cup in Freestyle Paddling has been arranged here.[10] The wave is spectacular, since it is quite big in regards to river surfing. Experienced surfers have warned beginners from trying the wave, since there are strong currents which means one can easily be dragged far downstream.[11] The wave appears when the flow rate is above 800-900 m3/s. It is said that the wave is well suited for surfing on a surfboard at a flow rate from 1250 m3/s and up, and very well at around 1700 m3/s. Glommens og Laagens Brukseierforening provide freely available flow measurements of the river flow online.[12]

Average water flow and temperature
Place Map Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Unit
Sarp Wave 59.2653°N 11.1038°E / 59.2653; 11.1038 (Sarpebølgen i Sarpsborg) 1 1 1 3 8 13 16 16 12 7 3 1 °C[13]
500 470 390 500 1000 1100 850 650 550 570 520 510 m3/s[14]
Sarpsfossen
Painting by Erik Pauelsen (1749–1790)
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See also

References
  1. Thorsnæs, Geir (March 7, 2017). "Sarpefossen". Store norske leksikon (in Norwegian). Foreningen Store norske leksikon.
  2. Penn, James R. 2001. Rivers of the World: A Social, Geographical, and Environmental Sourcebook. Santa Barbara, CA: ABC CLIO, p. 94.
  3. Gresswell, R. Kay. 1965. Standard Encyclopedia of the World's Rivers and Lakes. New York: Putnam, p. 105.
  4. Sturluson, Snorri. 1990. Heimskringla, Or The Lives of the Norse Kings. New York: Dover, p. 647.
  5. "Sarpefossen". Innovation Norway. Retrieved November 1, 2017.
  6. Andersen, Pål (September 16, 2009). "Ny strøm fra Europas største foss". NRK. Retrieved November 22, 2017.
  7. Fredriksstad Blad - Surf's up - i Glomma!
  8. Fredriksstad Blad - Bølgesurf i Glomma
  9. TV2.no - Her surfer Joel (45) på Glomma - Det er gode forhold for surfere i elva Glomma like ved Sarpefossen i disse dager.
  10. Sarpsborg Arbeiderblad - Spektakulær padling i helga
  11. Fredriksstad Blad - Østfolds Hawaii
  12. Glommens og Laagens Brukseierforening - Sarpsfoss - Vannføring
  13. Vanntemperatur (2008-2010) for Sarpsfoss, hentet fra RAPPORT L.NR. 6099-2010: Økologisk tilstand i Glomma nedenfor Sarpsfossen 2009-2010 - undersøkelser i forbindelse med Borregaards utslipp av organisk materiale
  14. Statistikk for Sarpsfossen fra Eidsivaenergi: "Arkivert kopi". Archived from originalen 30 March 2012. Retrieved 2011-08-19.
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