Norrforsen

Norrforsen are rapids in the Ume River in Sweden, between the villages of Norrfors and Sörfors 15 kilometers west of Umeå.

[1] The rapids are located downriver from the dam of the hydroelectric power station at Stornorrfors.

At Truthällorna, an island that is underwater when the upriver dam gates are opened, are a number of ancient rock carvings.

[2][3] The carvings were discovered in 1984 by a group of archaeology students from Umeå University.

[4] The people made these carvings likely survived the winter in part by hunting moose (sv.