Wikipedia
Hovatn
Hovatn is a lake in the municipality of Bygland in Aust-Agder county, Norway. It is part of the Otra river drainage basin. The lake is regulated and is used by the Hovatn hydroelectric power plant. The dam has an outlet into the Hovassåne river which empties into the Åraksfjorden near Åraksbø.
Lake Hovatn is located just to the west of lake Topsæ which is in the Tovdalselva drainage basin.