Vanån 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 ...

and the largest

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

Västerdal River Västerdalälven (literally ''West Dalälven, Dal River'') is a 300 km long river in Sweden that flows southeast through Dalarna. Its sources are Görälven and Fuluälven and the end point is Djurås, in the Municipalities of Sweden, municipa ...

. The annual

open water swimming Open water swimming is a swimming discipline which takes place in outdoor bodies of water such as open oceans, lakes, and rivers. The beginning of the modern age of open water human swimming, swimming is sometimes taken to be May 3, 1810, when L ...

competition

Vansbrosimningen Vansbrosimningen or Vansbrosimmet is an annual open water swimming competition held in July in Vansbro, Dalarna, Sweden since 1950. The distance is 3,000 m, first 2,000 m in Vanån then 1,000 m in Västerdal River. It is part of ''En svensk klassi ...

takes place in Vanån (2000 m) and Västerdal River (1000 m).

References

Rivers of Dalarna County {{Sweden-river-stub