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Torneträsk  (Swedish)
Duortnosjávri  (Northern Sami)
Torniojärvi  (Meänkieli)
Torneträsk seen from the north
Location of lake
Location of lake
Location of lake
Location of lake
LocationKiruna Municipality, Norrbotten County
Coordinates68°22′N 019°06′E / 68.367°N 19.100°E / 68.367; 19.100Coordinates: 68°22′N 019°06′E / 68.367°N 19.100°E / 68.367; 19.100
Native nameDuortnosjávri  (Northern Sami)
Primary inflows• nameless flow from a little glacier south of lake Válfojávri (Nordland, Norway)
 → river Válfojohka
 → lake Gamajávri
 → river Kamajåkka
 → lake Abiskojaure
 → river Abiskojåkka
• river Njuoreatnu
• river Rágeseatnu
• lake Koojärvi
 → river Stalojåkka
• river Nakerijoki
• river Sarvájohka
• river Bessešjohka
Primary outflowsTorne River
Basin countriesSweden
Max. length70 km (43 mi)
Max. width11 km (6.8 mi)
Surface area332 km2 (128 sq mi)
Average depth51 m (167 ft)
Max. depth168 m (551 ft)
Water volume17.1 km3 (13.9×10^6 acre⋅ft)
Surface elevation341 m (1,119 ft)

Torneträsk or Torne träsk (Swedish: [toːɳɛˈtrɛsːk];[2] Saami: Duortnosjávri; Finnish and Meänkieli: Tornio or Torniojärvi) is a lake in Kiruna Municipality, Lapland, Norrbotten County in Sweden, in the Scandinavian mountain range. Träsk is the local word for lake (in Standard Swedish it means "swamp"). It is the sixth largest lake in Sweden, with a total area of 330 square kilometres (130 square miles) and a length of 70 kilometres (43 miles). The lake drains to the south-east through Torne älv. South-west of the lake lie the Abisko National Park and the UNESCO World Heritage Site Laponian area.

Torneträsk originated from the remnant of a glacier, which has given the lake its depth of 168 metres (551 feet), making it the second deepest lake in Sweden. It is usually ice-covered from December through June, with variations dependent on temperature variations.

Permafrost is common in the land around the lake albeit this low elevation permafrost is disappearing because of global warming and increased snowfall.[3]

During the 1944 Operation Obviate of WWII, British bombers seeking to destroy the German battleship Tirpiz had their rendezvous over Torneträsk Lake, in violation of Swedish neutrality.


  1. ^ "Sjöar och vattendrag" (in Swedish). Vattenmyndigheten Bottenviken. Retrieved 2008-09-13.
  2. ^ Jöran Sahlgren; Gösta Bergman (1979). Svenska ortnamn med uttalsuppgifter (in Swedish). p. 25.
  3. ^ Johansson, Margareta; Christensen, Torben R.; Akerman, H. Jonas; Callaghan, Terry V. (2006). "What Determines the Current Presence or Absence of Permafrost in the Torneträsk Region, a Sub-arctic Landscape in Northern Sweden?". AMBIO: A Journal of the Human Environment. 35 (4): 190–197. doi:10.1579/0044-7447(2006)35[190:WDTCPO]2.0.CO;2.

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