Aursund
Aursunden or Aursund is a lake in the municipality of Røros in Trøndelag county, Norway. The village of Brekken lies along the eastern shore and the village of Glåmos lies along the western shore.

There are several inflows to the lake including the lakes Rien, Riasten, and Bolagen. The outflow is regulated by a hydropower dam through which water passes into the river Glomma. The lake is about long and about wide. The deepest part of the lake reaches a depth of .

Aursunden is often cited as the source of the river Glomma, the longest and largest river in Norway. The actual headwaters are near Aursunden near the start of the Glommadal valley. The locals claim that the headwater of the Glomma river is Mustjønna, a tiny lake about north of Aursunden.
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lake
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Røros
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Trøndelag
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Norway
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Brekken
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Glåmos
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Rien
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Riasten
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Bolagen
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hydropower
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dam
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Glomma
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Glomma
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Norway
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Glommadal
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Aursund
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Aursund
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Q777416
Aursund
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Aursund
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Aursund
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instance of
located in the administrative territorial entity
country
lake outflow
lake outflow
country
located in the administrative territorial entity
country
country
instance of
located in the administrative territorial entity
country
country
lakes on river