Renaelva
The Renaelva river flows into the Glomma in Åmot municipality in the county of Innlandet, Norway. One bridge that connect east and west side of the river, is Kjøllsæter Bridge. A sideriver to Renaelva is Julussa which is about 30 km long, coming from south, through the valley Julussdalen.
The Rena watershed has a drainage area of 3,967 km².
A tunnel has been built to transport part of the water from the upper Glåma river into the Rena river in order to optimize the production of electricity by power plants.