Yehimal Mountains

The Yehimal Mountains, also known as the World Pillar Mountains or Jibal al-Akbas in Zakhara, Wu Pi Te Shao in Kara-Tur, and the Roof of the World, were the largest mountain range on Toril.

Geography
The mountains formed the primary barrier between Faerûn, Kara-Tur, and Zakhara.

Inhabitants
The World Pillar Mountains were inhabited by evil yak-men.