Tinnsjå (also known as Tinnsjø or Tinnsjøen ; English: Lake Tinn ) is one of the largest lakes in Norway measuring about 51.38 km (19.84 sq mi). It is also one of the deepest lakes in Europe, reaching a depth of 460 m (1,510 ft). Tinnsjå is located in the municipalities of Tinn and Notodden in Telemark county. At its source in the west, the Måna river flows out of the lake Møsvatn and past the town of Rjukan into Tinnsjå. From the north, the river Mår flows from the lakes Mår , Gøystavatn , and Kalhovdfjorden into Tinnsjå. Tinnsjå is part of the Skien watershed , and it drains via the Tinnelva river in the south, down to the lake Heddalsvatn .
5-408: At the north end of the lake lie the villages of Atrå and Austbygdi . The village of Miland lies on the western shore of the lake. The village of Hovin lies up on a hill overlooking the eastern shore of the lake and the village of Rudsgrendi lies on the western shore. There is a small dam at the south end of the lake which regulates the surface elevation of the lake and the village of Tinnoset
10-498: A factory located in Rjukan . The wreck of the ferry was discovered in 1993. In 2004, it was investigated and filmed for an episode of NOVA ; heavy water samples were recovered and deuterium isotopic enrichment was confirmed. In 2004, a film crew shooting footage for a new documentary on the heavy water sabotage became aware of an unusual fish, swimming near the lake bottom at a depth of 430 metres (1,410 ft). Two specimens of
15-604: Is located at this end of the lake. The village of Gransherad lies about 4 km (2.5 mi) south of this dam. In 1944, during the German occupation of Norway, the ferry SF Hydro was sunk in Tinnsjå by the Norwegian resistance . The Germans were using the ferry to transport a large quantity of heavy water to Germany , where it was to be used for nuclear weapons research . The heavy water had been produced at Vemork ,
20-617: The previously unknown fish were captured in April 2005. Analysis revealed the fish to be closely related to Arctic char . The light-colored, translucent fish is up to 15 centimetres (5.9 in) long and lacks a swim bladder . Atr%C3%A5 Atrå is a village in Tinn Municipality in Telemark county, Norway . The village is located at the northwestern end of the large lake Tinnsjå , about 6 kilometres (3.7 mi) to
25-472: The west of the village of Tinn Austbygd and about 12 kilometres (7.5 mi) to the north of the village of Miland . The village lies along the river Gøyst in the Gøystdalen valley which heads to the northwest from the shore of the lake. The village has been a church site since the first Atrå Church was built as a stave church there before the year 1200. The present church building was completed on
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