Stora Sjöfallet is a national park in Norrbotten County in northern Sweden, in Gällivare Municipality and Jokkmokk Municipality. The national park covers 1,278 km2 (493 mi2) and is the third-largest in Sweden. The park is located about 20 km (12 mi) north of the Arctic Circle by the Norwegian border and surrounds the Akkajaure reservoir from the north, east and south.