Great Glacier

The Great Glacier is a large mass of frozen land in northeast Faerûn. It was created in -2550 DR by the necklace of Ulutiu, an enchanted necklace created by the god Ulutiu himself to encase his body in ice when he departed to the Astral Sea.

Portal to the Ruins of Gharreil
An apparently featureless sheet of ice deep in a crevice of the Great Glacier holds the key to unlocking the secrets deep beneath the surface; the ruined city of Gharreil. In shadow, the ice looks black and forbidding; when the sun is directly overhead, however, its light reaches to the crevice floor and activates its transmutive magic. Inscriptions appear to trace a large circle on the smooth ice wall. They are written in characters of the ancient giant tongue.

"The city of Gharreil, seat of the Satrap of the Great Glacier, loyal servant of the Emperor of Jhothûn. May the qorrash smile upon it and nurture its mighty works, and continue to favor all of Jhothûn. Let no thieves or heretics enter this gate, for both suffer death in this city."