It is the headwaters of the river Vefsna .
Simskardvatnet ( Southern Sami : Sijdurrienjaevrie ) is a lake in the municipality of Hattfjelldal in Nordland county , Norway .
Simskardvatnet is the headwaters of the river Vefsna .
Simskardvatnet ( Southern Sami : Sijdurrienjaevrie ) is a lake in the municipality of Hattfjelldal in Nordland county , Norway .