The Drøbak Sound (

Norwegian Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe *Norwegians, both a nation and an ethnic group native to Norway *Demographics of Norway *The Norwegian language, including the ...

: Drøbaksundet) is a

sound In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the ...

at the

Oslofjord The Oslofjord (, ; en, Oslo Fjord) is an inlet in the south-east of Norway, stretching from an imaginary line between the and lighthouses and down to in the south to Oslo in the north. It is part of the Skagerrak strait, connecting the Nor ...

narrows between

Drøbak Drøbak is a List of cities in Norway, town and the centre of the municipality of Frogn, in Viken county, Norway. The city is located along the Oslofjord, and has 13,409 inhabitants. History Drøbak and Frogn was established as a parish on its o ...

and

Hurum Hurum was a municipality in Buskerud county, Norway. As of 1 January 2020 Hurum has merged with the municipalities of Røyken and Asker to form the new Asker Municipality located in the newly formed Viken county. The administrative centre of the ...

. Outer Oslofjord, which is a term for the Oslofjord south of the Drøbak Sound until it meets the

Skagerrak The Skagerrak (, , ) is a strait running between the Jutland peninsula of Denmark, the southeast coast of Norway and the west coast of Sweden, connecting the North Sea and the Kattegat sea area through the Danish Straits to the Baltic Sea. The ...

. Inner Oslofjord which is a term for the rest of the

fjord In physical geography, a fjord or fiord () is a long, narrow inlet with steep sides or cliffs, created by a glacier. Fjords exist on the coasts of Alaska, Antarctica, British Columbia, Chile, Denmark, Germany, Greenland, the Faroe Islands, Ice ...

, that starts in the Drøbak Sound northwards towards

Oslo Oslo ( , , or ; sma, Oslove) is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of in 2022, while the city's greater urban area had a population of ...

, where the fjord makes a turn and continues to the Bunne Fjord. The Drøbak Sound was previously guarded by

Oscarsborg Fortress Oscarsborg Fortress ( no, Oscarsborg festning) is a coastal fortress in the Oslofjord, close to the small town of Drøbak in Viken county, Norway. The best known part is situated on two small islets. The main artillery batteries are on the island ...

. During the

German invasion of Norway German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

on 9 April 1940, the German cruiser was sunk by the fortress.Oscarsborg Fortress, Official website
Oscarsborg Fortress has been converted into a museum and a hotel. There is a ferry from Drøbak. The subsea

Oslofjord Tunnel The Oslofjord Tunnel () is a subsea road tunnel which traverses the Oslofjord, connecting Hurum and Frogn in Norway. Carrying three lanes, the long tunnel reaches a depth of below mean sea level. The tunnel has a maximum gradient of seven per ...

at the

Norwegian National Road 23 National Road 23 ( no, Riksvei 23), also known as the Oslofjord Link (Norwegian: ), was the name of a largely limited-access road which connects the municipalities of Lier, Norway, Lier, Røyken, Hurum and Frogn in Norway. The Oslofjord Tunnel c ...

is running underneath the Oslofjord connects the east side and the west side of the fjord.

References

{{DEFAULTSORT:Drobak Sound Sounds of Norway Frogn Hurum

See also

References