Gråsjøen is a lake/reservoir in the municipality of Surnadal in Møre og Romsdal county, Norway (and a very small part in the northeastern corner of the lake is in Rindal Municipality in Trøndelag county). The lake is located in the northern part of the Trollheimen mountain range.
Gråsjøen is both a lake and reservoir within the Surnadal municipality of Møre og Romsdal county, Norway (with a small section in the northeastern corner also located in the Rindal Municipality of Trøndelag county). It is situated in the northern part of the Trollheimen mountain range.