Lassbacken is a village in Piteå Municipality, in Norrbotten County, Sweden. Lassbacken lies at 4 m above sea level. The nearest city is Piteå, 11.1 km to the south. Beaches nearby: Räkan (8.8 km). Among the landmarks around are Piteå City Church (11.1 km), Nederluleå Church (35 km) and Öjeby Church (9.7 km). Among the natural features are Örsgrönnan (12.7 km).