From Wiktionary, the free dictionary
From Ringen + vatn.
Ringavatn n (definite Ringavatnet)
- A lake in Trøndelag, Norway. Lakså and Bjørå are running into it from the south. Villages Groegga, Ringen and Laksøyan are located on its coast, as well as Blakkstad farm. The lake is connected with Hostovatn through the Vaulen Sound.