Jotunheimen (yōˈtŏnhāmən) [key], mountain group, S central Norway; highest of Scandinavia. It culminates in Galdhøpiggen (8,098 ft/2,468 m high) and Glittertinden (8,104 ft/2,470 m). The Jostedalsbreen, a huge glacier, is to the west. Sparsely inhabited, the region is used for summer pasture. In Norse mythology, it was the home of the giants, the Jotun.