Balvatnet (Lule Sami:Bállávrre) is a lake that lies in the municipality of Saltdal in Nordland county, Norway. The 41.46-square-kilometre (16.01sqmi) lake is located on the border of Junkerdal National Park, about 2 kilometres (1.2mi) west of the border with Sweden. The lake is regulated for hydroelectric power at the Daja power station 16 kilometres (9.9mi) to the north in Sulitjelma.