What is "venneslafjorden"

Venneslafjorden is a lake in Vennesla, Vest-Agder in Norway. Several islands and islets are located in the north of the lake, of which the largest is Drivenesøya. The town of Vennesla is located by the southern end and there are also settlements that extend along the east side of the lake. The lake is dammed as a reservoir for the Hunsfos hydropower plants.