Suldalsvatnet
Suldalsvatnet () is the sixth-deepest lake in Norway.  The  deep lake lies in the municipality of Suldal in Rogaland county, Norway.  The  lake is the headwaters of the river Suldalslågen and it sits at an elevation of  above sea level.  The lake has a volume of .

The  long lake is regulated for use in two nearby hydroelectric power plants.

References

Lakes of Rogaland
Suldal