Storsjøen is a lake in the Odalen valley in Innlandet county, Norway.

This phenomenon has given rise to the very special delta area at the southern end of the lake.

This delta area has been protected as the Seimsjøen nature reserve.

[2] The sea is rich in fish and an important stopover for waders and swimming birds.

This article related to a lake in Innlandet in Norway is a stub.