Tordsvatnet is a lake in Skjåk Municipality in Innlandet county, Norway. The 6.32-square-kilometre (2.44 sq mi) lake lies within the Tafjordfjella mountain range inside the Reinheimen National Park. The mountain lake lies about 40 kilometres (25 mi) northwest of the village of Bismo. The lake lies in a low area surrounded by the mountains Benkehøa (to the east), Karitinden (to the northwest), and Veltdalseggi (to the west).