Rivers of Oslo

The Akerselva or Akerselven () is a river which flows through Oslo, Norway. It starts at Maridalsvannet in Oslomarka, and traverses the boroughs of Nordre Aker, Sagene, Grünerløkka, central Oslo and Grønland, finally ending at Paulsenkaien and Oset in Bjørvika. The river is considered to be a part of the Nordmarkvassdraget, and has the Norwegian watercourse number 006.Z. The entire river is about long, and the difference in elevation between source and mouth is approximately .

river in Oslo, Norway

Lysakerelven (also known as Lysakerelva, ) is a river in Norway that forms the boundary between the municipalities of the capital city of Oslo and Bærum.

thumb|right|200 px|Ljanselva at the outlet from Nøklevann, via the dam at Rustadsaga. thumb|right|200 px|Shortly after Nøklevann Ljanselva flows through the small lake Skraperudtjern. Ljanselva is a river in Oslo, Norway. It flows from Lutvann and Nøklevann and mouth into Bunnefjorden at Fiskevollbukta. Several saw mills were located along Ljanselva. The lower part of the river is a protected cultural site.

thumb|right|alt=Hobølelva is a river rising in Sværsvann in Oslo, until joining Lake Vansjø in Østfold.|Hobolvassdraget.JPG Hobølelva is a river rising in Sværsvann in Oslo, until joining Lake Vansjø in Østfold. Hobølelva is the largest of the four tributaries of Vansjø, and flows into Vansjø at an average of .