Rolfsån is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...

, the main outflow of lake

Lygnern Lygnern () is a lake in the municipalities of Kungsbacka and Mark, western Sweden. With an area of 33 km², it is the largest lake in Halland County. Its main outflow is Rolfsån, which in turn empties out into the Kungsbacka Fjord. The lak ...

. It empties out into the

Kungsbacka Fjord The Kungsbacka Fjord (Swedish language, Swedish: ''Kungsbackafjorden'') is a Fjärås kyrkby, fjord and a nature reserve in Halland County, western Sweden. The fjord is about 10 km long. It is delimited to the west by the Onsala, Onsala Penin ...

References

Rivers of Halland County {{Sweden-river-stub