Torneträsk

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Torneträsk
Duortnosjávri
Torneträsk  Duortnosjávri - during polar night
during polar night
Location Norrbotten County, Sweden
Coordinates 68°22′N 19°06′ECoordinates: 68°22′N 19°06′E
Primary outflows Torne älv
Max length 70 km
Surface area 330 km2
Max depth 168 m

Torneträsk or Torne träsk (Saami: Duortnosjávri, Meänkieli: Tornio or Torniojärvi) is a lake in the Lapland, Norrbotten County in Sweden, in the Scandinavian mountain range. Träsk is the local word for lake. It is the seventh largest lake in Sweden, with a total area of 330 km2 and a length of 70 kilometers. The lake drains to the south-east through Torne älv. South-west of the lake lies 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 meters, making it the second deepest lake in Sweden. It is usually ice-covered from December through June, with variations dependent on temperature variations.