Alnaelva
Encyclopedia
Alnaelva, also known as Alna or the Alna River, is a river the runs through Oslo
, Norway, from Alnsjøen to the Oslo Fjord at Bjørvika
. It also drains Breisjøen, Steinbruvann, Tokerudbekken and Østensjøvannet
. Large sections of the river run in culvert
s and the river is highly polluted, partially because it is used as a sewer drain.
Oslo
Oslo is a municipality, as well as the capital and most populous city in Norway. As a municipality , it was established on 1 January 1838. Founded around 1048 by King Harald III of Norway, the city was largely destroyed by fire in 1624. The city was moved under the reign of Denmark–Norway's King...
, Norway, from Alnsjøen to the Oslo Fjord at Bjørvika
Bjørvika
Bjørvika is a neighborhood in the Sentrum borough of Oslo, Norway. The area is an inlet in the inner Oslofjord, situated between Gamlebyen and Akersness. It serves as an outlet for the river Akerselva. Since the 2000s, it has been undergoing urban redevelopment, being transformed from a container...
. It also drains Breisjøen, Steinbruvann, Tokerudbekken and Østensjøvannet
Østensjøvannet
Østensjøvannet is a lake in Oslo, capital of Norway. It is well-known for the wide variety of birds and other wildlife that can be found there. It is surrounded by the Østensjø borough...
. Large sections of the river run in culvert
Culvert
A culvert is a device used to channel water. It may be used to allow water to pass underneath a road, railway, or embankment. Culverts can be made of many different materials; steel, polyvinyl chloride and concrete are the most common...
s and the river is highly polluted, partially because it is used as a sewer drain.