Hällsäter is a village in Söderhamn Municipality, in Gävleborg County, Sweden. Hällsäter lies at 45 m above sea level. The nearest city is Gävle, 82 km to the south. Among the landmarks around are Trönö gamla kyrka (2.4 km), Trönö new Church (0.8 km) and Faxeholm (15.8 km).