Yehimal Mountains

The Yehimal Mountains, also known as the World Pillar Mountains/Jibal al-Akbas in Zakhara or Wu Pi Te Shao in Kara-Tur, the “Roof of the World” is the largest mountain range of Toril. They form the primary barrier between Faerûn, Kara-Tur, and Zakhara. They are inhabited by evil Yak-men.