The Crossex Mountains are a large group of mountain ranges that make up the eastern border of the Westbearn. Two ranges diverge from the main range in the north and south, going into the Westbearn and creating part of both the northern and southern borders. These are referred to as the Northern and the Southern Arm.
While the Arms are generally forested or rocky, the main range becomes snowy peaks toward the middle. In the deepest part of the mountain range, where the peaks are tallest, lies the ancient elven city Duandaria.
There are many mountain paths, roads, and passes in the Crossex Mountains that lead to Duandaria and over the mountains into The Hindala. These ways are protected by the Dark Knights of Crossex, an order of soldiers under the command of the king of Duandaria.