Rauðavatn
Lake Rauðavatn is a lake on the eastern side of Reykjavík, north of Elliðavatn. The Route 1 ring road passes the lake to the west, separating it from the suburb of Árbær.
In Iceland the name also describes a Lake Rauðavatn in Langanesbyggð and a wetland area near the mouth of the west bank of the river Þjórsá.