Indalsälven is one longest rivers in of Sweden with a total length of 430 kilometers.
Among its tributaries are Kallströmmen, Långan, Hårkan and Ammerån.
A total of 26 hydropower plants are placed along its course, making it the third most power producing river of Sweden.
The Indalsälven drains the Storsjön and culminates in the Bothnian Sea.
