Tyrifjorden
Encyclopedia
Tyrifjorden is Norway
Norway
Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

's fifth largest lake with an area of 137 km2. It has a volume of 13 km3, is 295 meters deep at its deepest, and lies 63 meters above sea level. The Begna River discharges into Tyrifjorden at Hønefoss
Hønefoss
Hønefoss is a city in Buskerud county, Norway, and the center of the municipality of Ringerike.In 1852, Hønefoss received town status and was separated from Norderhov. Hønefoss celebrated its 150th year of township in 2002...

 where the river forms the waterfall of Hønefossen.

Location

Tyrifjorden is located in the county of Buskerud
Buskerud
is a county in Norway, bordering Akershus, Oslo, Oppland, Sogn og Fjordane, Hordaland, Telemark, and Vestfold. The county administration is located in Drammen.-Geography:...

 and borders the municipalities of Hole
Hole, Norway
Hole is a municipality in Buskerud county, Norway. It is part of the traditional region of Ringerike. The administrative centre of the municipality is the village of Vik. Hole is located around lake Tyrifjorden and extends to the woodland around Oslo...

, Lier
Lier, Norway
Lier is an affluent municipality in Buskerud county, Norway. The administrative centre of the municipality is the village of Lier. The municipality of Lier was established on 1 January 1838...

, Modum
Modum
Modum is a municipality in Buskerud county, Norway. It is part of the traditional region of Hallingdal. The administrative centre of the municipality is the town of Vikersund. The municipality of Modum was established on 1 January 1838 .The area has a long tradition of skiing with several famous...

, and Ringerike
Ringerike
oskar er kjempe kulRingerike is a municipality in Buskerud county, Norway. It is part of the traditional region of Ringerike...

. Tyrifjorden is a landlocked fjord. It consists of a main body, Storfjorden, along with the Holsfjorden, Nordfjorden, and Steinsfjorden branches.

Branches

  • Nordfjorden - This is the northernmost fjord arm of Tyrifjorden
  • Steinsfjorden - This is the northeastern arm of Tyrifjorden
  • Holsfjorden - This is the southeastern arm as well as being the longest and largest of the fjord branches

The name

The Old Norse
Old Norse
Old Norse is a North Germanic language that was spoken by inhabitants of Scandinavia and inhabitants of their overseas settlements during the Viking Age, until about 1300....

 form of the name was just Tyri (or Tyrvi). This uncompounded name is also the first element in the name Tyristrand
Tyristrand
Tyristrand is a former municipality in Buskerud county, Norway.-Background:Tyristrand was created by a split from Hole on 1 July 1916. On 1 January 1964 Tyristrand was merged with the municipalities Hole, Hønefoss, Norderhov and Ådal to form the new municipality of Ringerike. Before the merger...

. The name is derived from the word tyri meaning "old/dead pine
Pine
Pines are trees in the genus Pinus ,in the family Pinaceae. They make up the monotypic subfamily Pinoideae. There are about 115 species of pine, although different authorities accept between 105 and 125 species.-Etymology:...

 (wood)", referring specifically to the woods of the western side of the lake. The last element -fjorden (the finite form of fjord
Fjord
Geologically, a fjord is a long, narrow inlet with steep sides or cliffs, created in a valley carved by glacial activity.-Formation:A fjord is formed when a glacier cuts a U-shaped valley by abrasion of the surrounding bedrock. Glacial melting is accompanied by rebound of Earth's crust as the ice...

) is a later addition.

2011 shooting massacre

On 22 July, 2011, an island in the lake, Utøya
Utøya
Utøya is a small island in the Tyrifjorden lake in Hole municipality, in the county of Buskerud, Norway. The island is , situated off the shore, by the E16 road, driving distance north-west of Oslo city centre.-Overview:...

, was the site of a shooting spree during a youth camp held by the Norwegian Labour Party
Norwegian Labour Party
The Labour Party is a social-democratic political party in Norway. It is the senior partner in the current Norwegian government as part of the Red-Green Coalition, and its leader, Jens Stoltenberg, is the current Prime Minister of Norway....

.

External links

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