The Eira River is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the municipality of Nesset

Nesset

Nesset is a municipality in Møre og Romsdal county, Norway on the Romsdal Peninsula. The administrative centre is the village of Eidsvåg. Other population centers include Rausand, Boggestranda, Myklebostad, Eresfjord, and Eikesdalen....

 in Møre og Romsdal

Møre og Romsdal

is a county in the northernmost part of Western Norway. It borders the counties of Sør-Trøndelag, Oppland and Sogn og Fjordane. The county administration is located in Molde, while Ålesund is the largest city.-The name:...

 county, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

. The 7 kilometres (4.3 mi) long river flows from the lake Eikesdalsvatnet

Eikesdalsvatnet

Eikesdalsvatnet is a lake in the municipality of Nesset in Møre og Romsdal county, Norway. The lake is long and narrow, roughly in length, and it is the largest lake in Møre og Romsdal county....

 past the village of Eresfjord

Eresfjord

Eresfjord is a village in the municipality of Nesset in Møre og Romsdal county, Norway. The village is located along the Eira River between the Eresfjorden and the lake Eikesdalsvatnet. The mountain Skjorta lies just to the east of the village...

 and into the Eresfjorden

Eresfjorden

Eresfjorden is a branch off of the Langsfjorden, an arm of the main Romsdalsfjord. The Eresfjorden is located in the municipality of Nesset in Møre og Romsdal county, Norway. The long fjord begins at the mouth of the Eira River near the village of Eresfjord, and then it goes north to meet the...

. The mountain Skjorta

Skjorta

Skjorta is a mountain in the municipality of Nesset in Møre og Romsdal county, Norway. The mountain is located southeast of the Eresfjorden, north of the lake Eikesdalsvatnet and the mountain Fløtatinden, east of the Eira River and the village of Eresfjord, and west of the municipal border...

 lies 5 kilometres (3.1 mi) east of the river.

Historically, the river was a bountiful salmon

Salmon

Salmon is the common name for several species of fish in the family Salmonidae. Several other fish in the same family are called trout; the difference is often said to be that salmon migrate and trout are resident, but this distinction does not strictly hold true...

 fishing area, but since it has become a regulated river for nearby hydro-electric power stations, the fish have not been as plentiful.