Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Tunnsjen - Tunnsjen (Southern Sami: Datnejaevrie) is a lake in the municipalities of Ryrvik and Lierne in Nord-Trndelag county Norway. The 100.18-square-kilometre (38.68 sq mi) lake lies just south of the large lake Limingen and just west of the border with Sweden. It is 358 metres (1175 ft) above sea level and has a volume of 8.68 cubic kilometres (2.08 cu mi). The deepest part of the lake is 220 metres (720 ft) deep. It is the seventh largest lake in Norway.
Answer:
Natural Place