Granträskmark is a village in Piteå Municipality, in Norrbotten County, Sweden. Granträskmark lies at 140 m above sea level. The nearest city is Piteå, 18.9 km to the east. Among the landmarks around are Piteå City Church (19.1 km), Hortlax Church (14.9 km) and Furubergskyrkan (19.5 km).