Wikipedia
Longerakvatnet
Longerakvatnet or Longeraksvatnet is a lake in the municipality of Bygland in Aust-Agder county, Norway. It has a dam on it which discharges into the Longerakåni river which flows into the Byglandsfjorden near Longerak. The lake is located about southeast of the village of Lauvdal and about northeast of the village of Byglandsfjord.