Göta älv
Klarälven ("The clear river" in Swedish) is a river flowing through Norway and Sweden. Together with Göta älv, which it is called as the river has passed through the lake Vänern, thus regarded as an entity, Göta älv—Klarälven is the longest river in Scandinavia and in the Nordic countries and its Swedish part the longest river of Sweden. These two rivers also have the largest drainage basin in the same areas, including all the rivers that run into Vänern, of which is located in Sweden and in Norway.