Kallbäck is a village in Söderhamn Municipality, in Gävleborg County, Sweden. Kallbäck lies at 34 m above sea level. The nearest city is Gävle, 58 km to the southeast. Among the landmarks around are Hanebo Church (16.5 km), Skogs kyrka, Hälsingland (0.3 km) and Söderala church (14.8 km).