Hornindalsvatnet is Norway's and Europe's deepest lake, officially measured to a depth of 514 metres (1,686 ft). Its surface is 53 metres (174 ft) above sea level, which means that its bottom is 461 metres (1,512 ft) below sea level.

Lake view from Grodås
Location of Lake Hornindalsvatnet
LocationSogn og Fjordane
Coordinates61°56′N 6°19′E
Primary inflowsHornindøla river
Primary outflowsEidselva river
Basin countriesNorway
Max. length22 km (14 mi)
Max. width4 km (2.5 mi)
Surface area51 km2 (20 sq mi)
Average depth236 m (774 ft)
Max. depth514 m (1,686 ft)
Water volume12.1 km3 (2.9 cu mi)
Surface elevation53 m (174 ft)
ReferencesHornindalsvatnet Data[1]

The village of Grodås lies at the eastern end of the lake in Hornindal Municipality and the village of Mogrenda is located on the western end of the lake in Eid Municipality. The European route E39 highway runs near the lake. The village of Heggjabygda and Heggjabygda Church lie on the northern shore of the lake.

Its volume is estimated at 12 cubic kilometres (2.9 cu mi), its area is 50 square kilometres (19 sq mi) and ranks 19th in area among Norway's lakes. It is located in Sogn og Fjordane county, about a kilometer south of the county border with Møre og Romsdal county. The lake lies within the borders of Eid and Hornindal municipalities. The main outflow is the river Eidselva, which flows into the Eidsfjorden, an arm off the main Nordfjorden.

The deepest point of the lake was explored using a ROV in 2006.[2] A small white fish was discovered on the lake bottom – probably a new species of Arctic charr (Salvelinus alpinus). It was previously also located in Lake Tinn, Norway’s third deepest lake.[3]

The lake is also the site of the Hornindalsvatnet Marathon, held annually in July.[4]

See also


  1. Seppälä, Matti (2005). The Physical Geography of Fennoscandia. Oxford University Press. p. 145. ISBN 978-0-19-924590-1.
  2. Søreide, Fredrik. "Secrets of Europe's deepest lakes. Discoveries from Norway". Sea Technology. 55 (5): 39–42.
  3. Søreide, Fredrik. "Den mystiske dypvannsfisken i Tinnsjøen". Fauna. 59 (4): 122–129.
  4. "Hornindalsvatnet Maraton" (in Norwegian). Archived from the original on 2010-08-18. Retrieved 2010-07-11.

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