Wikipedia
Jølstravatnet or Jølstravatn is a lake in the municipality of Jølster in Sogn og Fjordane county, Norway. The lake empties its water into the long Jølstra river which then flows into the Førdefjorden. The impressive eastern arm of Jølstravatn is called Kjøsnesfjorden, although it is not a true fjord that is part of the sea. The villages of Skei, Helgheim, Ålhus, and Vassenden are located on the shores of the lake.
The lake is located at an elevation of above sea level, and the deepest point in the lake is below the water level. The lake is about long and about wide. Jølstravatn is a very good fishing lake.
The European route E39 highway runs along the entire northern shore of the lake. The Norwegian National Road 5 runs along the eastern shore of the lake. The Norwegian County Road 451 runs along the entire southern shore of the lake. There is one bridge that crosses over the lake; on the eastern part of the lake. The bridge is part of County Road 451 and it crosses over the Kjøsnesfjorden arm from the village of Sandvika to Kjøsnes.