Star Mounts

From forgottenrealms.wikia.com:

The Star Mounts are an impressive and forbidding range of peaks, located in the center of the High Forest….Overland, the terrain is incredibly steep and no known passes exist to the interior. Snow and inhospitable weather all year round make climbing hazardous, in this already remote location. By air, it is considered impossible for anything less powerful than a dragon to approach the Star Peaks with any degree of safety due to incredibly high winds which are a constant feature of the place.

The Star Peaks form the northern border of the southern High Forest region. Dangerous and difficult to traverse, they are best avoided entirely. The earliest elven names of these mountains were said to suggest a hidden mystery to the children of Eaerlann. Their geography shifts abruptly in places, often in strange and unnatural ways.

Star Mounts

Lords of Faerun Kexizzoc