|Location||Romsdal, Møre og Romsdal|
|Max. length||88 kilometres (55 mi)|
Romsdalsfjord or Romsdal Fjord (Norwegian: Romsdalsfjorden) is the ninth-longest fjord in Norway. It is 88 kilometres (55 mi) long and located in the Romsdal district of Møre og Romsdal county. It flows through the municipalities of Midsund, Haram, Vestnes, Molde, Nesset, and Rauma. The deepest point in the fjord is just southwest of the town of Molde, where it is 550 metres (1,800 ft) deep. Romsdalsfjord is a threshold-fjord, as it is separated from the ocean by shallower areas (180 m) at the mouth. Several islands and skerries also shelter the wide central fjord from the Atlantic.
The western inlet of the fjord is generally considered to be between the island of Dryna (in Midsund Municipality) and the village of Brattvåg (in Haram Municipality). A second inlet is to the north, through the Julsundet strait, bound by the island of Otrøya to the west and Molde Municipality to the east.
The fjord branches off to the minor Tresfjorden and Tomrefjorden to the south, while the main body continues an east-west bound direction. The fjord then forks into three main branches: Moldefjorden (which flows into the Fannefjord) runs past the city of Molde north of the Molde Archipelago; Langfjorden, the longer arm of the fjord, with its branches Karlsøyfjorden, Rødvenfjorden, and the picturesque Eresfjorden, in the middle; and finally the southern arm past the town of Åndalsnes, terminating in Isfjorden.
Veøya—the holy island—is located at a junction between the three main branches of the fjord. This island was the foremost medieval trading center between Trondheim and Bergen. The Medieval Church of St. Peter (Old Veøy Church), from the late 12th century, is now a museum, but still hosts occasional services.
Major inflows of freshwater include the Rauma River and Eira River. Unlike many other fjords, Romsdalsfjord has several islands: Molde Archipelago, Otrøya, Midøya, Sekken and Veøya. Salinity is slightly lower at the surface, just below 3 %. Observations around 1930 showed salinity close to 3.5 % and stable temperatures just over 7°C in the deep parts. Heavy, oxygene-rich water from Atlantic typically flow over threshold in April-June and sink to deepest part where old water is displaced. Along the fjord there are examples of hanging valleys, for instance Sjølbotn at Innfjorden. Post-glacial rebound has lifted the land around Romsdalsfjord up to 100 m leaving previous subsea deposits of gravel and clay as wide terraces for instance in the valley mouths around Åndalsnes, Veblungsnes, Innfjorden and Isfjorden.
The Romsdalsfjord was an important transport corridor before the highway that is now the European route E136 between Åndalsnes and Ålesund was completed in 1946. Molde town is connected to the south shore by large ferries to Vestnes dock, this is the fifth busiest ferry crossing in Norway, several vessels run shuttles across the 11 km wide fjord. The car ferry Sølsnes-Åfarnes has operated since 1931. There are no bridges across the main fjord, except the shorter Bolsøy Bridge (to Bolsøy island) and the Tresfjord Bridge across the small Tresfjord branch. Fannefjord Tunnel connects Molde to Bolsøya island. Until 1946 Åndalsnes and the Rauma Line terminus was connected to Molde and Ålesund by boat.
After the German invasion of Norway on April 9, 1940, Romsdalsfjorden was initially not controlled by German forces. UK forces arrived along Romsdalsfjord and landed at Åndalsnes, then retreated along the fjord two weeks later during heavy fighting.
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