Between the eastern borders of the Endless Sand Dunes and the Sea of Silt lies a salt flat even larger than the Great Ivory Plain. This region, known as the Great Salt Flat, is a waterless expanse hundreds of miles across that offers no shelter of any kind. In many places, chest-high ridges of salty encrustation form natural mazes, blocking all but the most nimble pack beasts and forcing travelers to scramble across the tops of the ridges. The flat is a nearly impassable obstacle between the islets of the Silt Archipelago and the more settled regions near the Estuary of the Forked Tongue.