Vefsna

The Vefsna is the largest river in Nordland county, Norway. It is 163 km long and drains a watershed of 4,122 km². Its headwaters lie in the Børgefjell mountains and it forms the border between Norway and Sweden for part of its course. It runs through the municipalities of Hattfjelldal, Grane and Vefsn and at Mosjøen [Mosjøen is a town in and the municipality administrative center for Vefsn in Norway. The town has approximately 10,000 inhabitants.] it discharges into the Vefsnfjord.

Historically it was an important salmon fishery, but it has now been infected with the salmon parasite Gyrodactylus salaris.

The Laksforsen waterfall lies on its course. [ [http://www.grane.net/galleri.htm Photo of the falls at flood] ]

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