The Khyzai Pass is a mountain pass in the sandstone mountains that allows travelers to travel between Meereen and Lhazar. It is south of the Skahazadhan.
A Dance with Dragons
Daenerys Targaryen sends Daario Naharis along with the Stormcrows to Lhazar in the hopes of reestablishing the land trade route through the Khyzai Pass.
The Long Lances, under contract with Yunkai, attempt to close the Khyzai Pass. The Stormcrows descend on them in the night and defeat them.