Boknafjord or Boknafjorden (English: Bokna Fjord)[1][2][3] is a fjord located in Rogaland county, Norway. The huge fjord lies between the cities of Stavanger and Haugesund and dominates the central part of the county. The main part of the fjord is shared between the municipalities of Kvitsøy, Stavanger, Tysvær, Bokn, and Karmøy. There are dozens of smaller fjords that branch off the main part of the fjord, reaching most municipalities in the county. At its longest, the Boknafjord reaches about 96 kilometres (60 mi) into the mainland at the innermost point of the Hylsfjorden. Other notable branches include the Saudafjorden, Sandsfjorden, Vindafjorden, Hervikfjorden, Førresfjorden, Erfjorden, Jøsenfjorden, Årdalsfjorden, Idsefjorden, Høgsfjorden, Lysefjorden, and Gandsfjorden.[4]

Ytre Boknafjorden.JPG
Aerial view of the fjord
Map of Boknafjorden.PNG
Boknafjorden is located in Rogaland
LocationRogaland county, Norway
Coordinates59°07′09″N 5°24′22″E / 59.1193°N 5.4061°E / 59.1193; 5.4061
Primary outflowsNorth Sea
Basin countriesNorway
Max. length96 kilometres (60 mi)

The vast fjord is quite wide, and it has many islands located within its shores, some of which are quite large. Some of the notable islands include Vestre Bokn, Kvitsøy, Rennesøy, Ombo, Finnøy, Mosterøy, and the Sjernarøyane archipelago.[4]


The Rogfast sub-sea tunnel is a huge tunnel project that will construct a tunnel under the Boknafjord and the Kvitsøyfjord connecting the cities of Stavanger and Haugesund and ultimately becoming part of a ferry-free highway system along the western coast of Norway. It will also connect the island municipality of Kvitsøy to the mainland by road. The 24-kilometre (15 mi) long and 350-metre (1,150 ft) deep tunnel is projected to be completed in 2029. Construction began in 2018. It will be the longest and deepest underwater road tunnel in the world.[5] The cost was expected to be 500–600 million, but later raised to 1700 million.


  1. ^ Environmental Report (PDF) (PDF). Oslo: Norwegian Seafood Federation. 2013. p. 70.
  2. ^ Hobbs, Joseph (2008). World Regional Geography. Boston: Brooks/Cole. p. 122.
  3. ^ Mann, Kenneth H. (2009). Ecology of Coastal Waters: With Implications for Management. Malden, MA: Blackwell Science. p. 114.
  4. ^ a b Store norske leksikon. "Boknafjorden" (in Norwegian). Retrieved 2015-08-27.
  5. ^ "E39 Rogfast" (in Norwegian). Retrieved 2013-02-06.

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