The Sandvikselva, formerly known as Løxa, is a

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

Bærum Bærum () is a list of municipalities of Norway, municipality in the Greater Oslo Region in Akershus County, Norway. It forms an affluent suburb of Oslo on the west coast of the city. Bærum is Norway's fifth largest municipality with a populatio ...

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

, originating at the intersection of the rivers

Lomma Lomma () is a locality and the seat of Lomma Municipality, Skåne County, Sweden. In 2020 it had 13,772 inhabitants. History Lomma was mentioned in a deed of Cnut the Great under the name ''Lumaby'' in the year 1085. Skåne's cultural centre at ...

and Isielva at Wøyen. The river flows into the

Oslo Fjord The Oslofjord (, ; ) is an inlet in southeastern Norway. The fjord begins at the small village of Bonn in Frogn Municipality and stretching northwards to the city of Oslo, and then curving to the east and then south again. It then flows south t ...

4.5 km south at

Sandvika Sandvika () is the administrative centre of the municipality of Bærum in Norway. It was declared a List of cities in Norway, city by the municipal council (Norway), municipal council in Bærum on 4 June 2003. Sandvika is situated approximately ...

, though the center of the city, where it is crossed by the historic Løkke Bridge, the first cast iron bridge in Norway. At the mouth there are three bridges over the river. There were formerly water mills for industry along the line, including at Franzefoss for Franzefoss Bruk. The river regularly floods, and landslides have occurred. There is a measuring station for water levels and pollution at Bjøregårdsvingen. Sandvikselva is the premier

trout Trout (: trout) is a generic common name for numerous species of carnivorous freshwater ray-finned fishes belonging to the genera '' Oncorhynchus'', ''Salmo'' and ''Salvelinus'', all of which are members of the subfamily Salmoninae in the ...

river of the Oslo Fjord, and a community of dedicated volunteers invest much time and energy to preserve the conditions for the fish to be able to travel up the river to

spawn Spawn or spawning may refer to: * Spawning, the eggs and sperm of aquatic animals Arts, entertainment and media * Spawn (character), a fictional character in the comic series of the same name and in the associated franchise ** ''Spawn: Armageddon' ...

each autumn.

References

Rivers of Bærum {{Akershus-geo-stub