Grav-Haraan glacier

The Grav-Haraan glacier is an area in the southern polar region of Cybertron made up of glaciers of solid ore that have stood for 50 million years. The plasma streams that are constantly pummeling the glaciers make it an inhospitable area that is very rarely visited.

Fiction

IDW Generation 1 continuity

Long ago, Omega Supreme withdrew from civilization to the Grav-Haraan glacier to wait in solitude for the return of Nova Prime. Primacy #3 When Optimus Prime and Ironhide traveled to the glacier a few million years later, Prime wanting to get away from the city and spend a sabbatical testing himself in Cybertron's wilderness, they discovered Omega and convinced him to abandon his vigil. Primacy #1