Alnsjøen

Alnsjøen (also called Alunsjøen) is a lake in Lillomarka in Oslo, Norway. The lake is drained by the Alna River to the Oslofjord. The surrounding area was utilized for copper mining during the 18th century. The lake functions as a minor water reservoir for the city of Oslo (the main water reservoir being the lake Maridalsvannet).

Alnsjøen
Alunsjøen (2007)
Alnsjøen
LocationOslo
Coordinates59°57′56″N 10°51′6″E
Basin countriesNorway
Surface area39 ha (96 acres)
Average depth32 m (105 ft)
Water volume7.56 km3 (6,130,000 acre⋅ft)
Surface elevation183 m (600 ft)
ReferencesNVE
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