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The 'Trondheimsfjord' (''Trondheimsfjorden''), an inlet of the Norwegian Sea, is Norway's third longest fjord, 130 km long, in the west central part of the country. It stretches from Ørland in west to Steinkjer in north, passing the city of Trondheim on its way. Its maximum depth is 617 meters, just inside of Agdenes. The largest islands in the fjord are Ytterøy and Tautra; the small Munkholmen is located near the harbor of Trondheim; there are several islands at the entrance of the fjord. The narrow ''Skarnsundet'' is crossed by the Skarnsund Bridge; the part of the fjord to the north of the strait is referred to as ''Beitstadfjord''. The main part of Trondheimsfjord is ice free all year; only ''Verrasundet'', a long and narrow fjord branch in the northern part of the fjord, might be ice covered in winter. The ''Beitstadfjord'' might also freeze over in winter, but only for a few weeks.
The towns Stjørdal, Levanger and Steinkjer are found on the eastern and northern shore of the fjord. Aker Verdal in Verdal produces large offshore installations for the petroleum sector. A yard in Rissa completed the luxurious apartment ship The World.


Trondheimsfjorden has a rich marine life, with both southern and northern species; at least 90 species of fish have been observed, and the fjord has the largest biological production among Norway's fjords. In recent years deep water corals (Lophelia pertusa) were discovered in the fjord, not far from the city of Trondheim. Several of the best salmon rivers in Norway empty into Trondheimsfjord. Among these are Gaula (in Melhus just south of Trondheim), Orkla (in Orkdal), Stjørdalselva (in Stjørdal) and Verdalselva (in Verdal).
The lowland east and south of the fjord represents one of Norway's best agricultural areas. The more rugged and mountainous Fosen peninsula is situated to the west and northwest, giving some shelter from the wind common to coastal areas.
The Trondheimsfjord was an important waterway in the Viking Age, as it is still today. In 1888, an undersea mudslide caused a tsunami which killed one person in Trondheim and ruptured three railway lines.

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External links

Sources

★ Mork, J. Fisk og fiskerier i Trondheimsfjorden, Tapir Forlag, 110-132.

External links

★ NTNU Trondhjem biological station

★ Pictures and information about cold coral reefs

★ Coral reefs in Trondheimsfjord and Norway

★ The sea trees of Trondheim

★ The rich bird life of the inner Trondheimsfjord wetland system