Bornsjön is a lake at
Södertörn in
Salem Municipality
Salem Municipality () is a municipality in Stockholm County in east central Sweden. The name traces its origins from ''Slæm'' in the 13th century, but was changed to Salem in the 17th century, inspired by the Biblical name of Jerusalem. Its seat ...
in
Södermanland
Södermanland ( ), locally Sörmland, sometimes referred to under its Latinisation of names, Latinized form Sudermannia or Sudermania, is a Provinces of Sweden, historical province (or ) on the south eastern coast of Sweden. It borders Östergà ...
,
Sweden
Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...
. It is part of
Norrström
Norrström is one of the shortest rivers in Europe in central Stockholm. It connects Lake Mälaren with the Baltic Sea. It runs from Riddarfjärden, north of Gamla stan, to Stockholms ström (the western part of Saltsjön). Two islands lie with ...
's main catchment area. The lake is 17 metres deep, has an area of , and is 11 metres above sea level. In test fishing, a large number of fish species have been caught, including
European perch
The European perch (''Perca fluviatilis''), also known as the common perch, redfin perch, big-scaled redfin, English perch, Euro perch, Eurasian perch, Eurasian river perch, Hatch, poor man's rockfish or in Anglophone parts of Europe, simply the ...
,
white bream,
common bream
The common bream (''Abramis brama''), also known as the freshwater bream, bream, bronze bream, carp bream or sweaty bream, is a European species of freshwater fish in the family Leuciscidae. It is now considered to be the monotypic, only speci ...
and
ruffe
The ruffe (''Gymnocephalus cernua''), also known as the Eurasian ruffe or pope, is a freshwater fish found in temperate regions of Europe and northern Asia. It has been introduced into the Great Lakes of North America as an invasive species ...
.
The lake is within the boundaries of the
Bornsjön Nature Reserve, and has been sheltered since 1920.
Lakes of Stockholm County
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