The  lake is about  long and it is part of the Tovdalselva river. The Gauslåfjorden and Uldalsåna lakes flow into Herefossfjorden near the village of Herefoss at the northern end of the lake.
The lake, which has a specific length, is part of the Tovdalselva river. The Gauslåfjorden and Uldalsåna lakes flow into Herefossfjorden near the village of Herefoss at the northern end of the lake.